123,012
123,012 is a composite number, even.
123,012 (one hundred twenty-three thousand twelve) is an even 6-digit number. It is a composite number with 48 divisors, and factors as 2² × 3³ × 17 × 67. Its proper divisors sum to 219,708, more than the number itself, making it an abundant number. Written other ways, in hexadecimal, 0x1E084.
Interestingness
Properties
- Parity
- Even
- Digit count
- 6
- Digit sum
- 9
- Digit product
- 0
- Digital root
- 9
- Palindrome
- No
- Bit width
- 17 bits
- Reversed
- 210,321
- Square (n²)
- 15,131,952,144
- Cube (n³)
- 1,861,411,697,137,728
- Divisor count
- 48
- σ(n) — sum of divisors
- 342,720
- φ(n) — Euler's totient
- 38,016
- Sum of prime factors
- 97
Primality
Prime factorization: 2 2 × 3 3 × 17 × 67
Divisors & multiples
Sums & aliquot sequence
Continued fraction of √n
√123,012 = [350; (1, 2, 1, 2, 2, 13, 1, 8, 3, 2, 1, 10, 3, 1, 4, 1, 2, 1, 1, 1, 2, 3, 3, 77, …)]
Representations
- In words
- one hundred twenty-three thousand twelve
- Ordinal
- 123012th
- Binary
- 11110000010000100
- Octal
- 360204
- Hexadecimal
- 0x1E084
- Base64
- AeCE
- One's complement
- 4,294,844,283 (32-bit)
- Scientific notation
- 1.23012 × 10⁵
- As a duration
- 123,012 s = 1 day, 10 hours, 10 minutes, 12 seconds
As an angle
Historical numeral systems
- Babylonian (base 60)
- 𒌋𒌋𒌋𒁹𒁹𒁹𒁹 𒌋 𒌋𒁹𒁹
- Egyptian hieroglyphic
- 𓆐𓂍𓂍𓆼𓆼𓆼𓎆𓏺𓏺
- Greek (Milesian)
- ͵ρκγιβʹ
- Mayan (base 20)
- 𝋯·𝋧·𝋪·𝋬
- Chinese
- 一十二萬三千零一十二
- Chinese (financial)
- 壹拾貳萬參仟零壹拾貳
Also seen as
Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 123012, here are decompositions:
- 5 + 123007 = 123012
- 11 + 123001 = 123012
- 41 + 122971 = 123012
- 59 + 122953 = 123012
- 73 + 122939 = 123012
- 83 + 122929 = 123012
- 151 + 122861 = 123012
- 163 + 122849 = 123012
Showing the first eight; more decompositions exist.
As an unsigned 32-bit integer, this is the IPv4 address 0.1.224.132.
- Address
- 0.1.224.132
- Class
- reserved
- IPv4-mapped IPv6
- ::ffff:0.1.224.132
Unspecified address (0.0.0.0/8) — "this network" placeholder.
This number falls in the range of US utility patent numbers. If it's a patent, it would be issued as US 123,012 and was likely granted around 1871.
Patent numbers below 100,000 are excluded as too ambiguous; modern numbering currently reaches roughly 12.5 million.
Related reading
- Babylonian numerals — The base-60 cuneiform system that gave us 60 minutes, 60 seconds, and 360°.