Base | Representation |
---|---|
bin | 10110111011101110… |
… | …11100010011100100 |
3 | 1011210001122020202121 |
4 | 23131313130103210 |
5 | 200203412430223 |
6 | 5353421515324 |
7 | 614052153403 |
oct | 133567342344 |
9 | 34701566677 |
10 | 12312233188 |
11 | 5248a31032 |
12 | 2477412b44 |
13 | 1212a567a8 |
14 | 84b29763a |
15 | 4c0d9915d |
hex | 2ddddc4e4 |
12312233188 has 12 divisors (see below), whose sum is σ = 21565135872. Its totient is φ = 6150765800.
The previous prime is 12312233179. The next prime is 12312233189. The reversal of 12312233188 is 88133221321.
It is not an unprimeable number, because it can be changed into a prime (12312233189) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1332520 + ... + 1341727.
It is an arithmetic number, because the mean of its divisors is an integer number (1797094656).
Almost surely, 212312233188 is an apocalyptic number.
It is an amenable number.
12312233188 is a deficient number, since it is larger than the sum of its proper divisors (9252902684).
12312233188 is a wasteful number, since it uses less digits than its factorization.
12312233188 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2675402 (or 2675400 counting only the distinct ones).
The product of its digits is 13824, while the sum is 34.
The spelling of 12312233188 in words is "twelve billion, three hundred twelve million, two hundred thirty-three thousand, one hundred eighty-eight".
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