Base | Representation |
---|---|
bin | 10110110011000001… |
… | …11110011100110100 |
3 | 1011120222021112220010 |
4 | 23121200332130310 |
5 | 200031221003433 |
6 | 5342253140220 |
7 | 612204531330 |
oct | 133140763464 |
9 | 34528245803 |
10 | 12239234868 |
11 | 5210802343 |
12 | 2456a8a670 |
13 | 12008a8313 |
14 | 8416d47c0 |
15 | 4b9779e63 |
hex | 2d983e734 |
12239234868 has 48 divisors (see below), whose sum is σ = 33690804224. Its totient is φ = 3384119520.
The previous prime is 12239234857. The next prime is 12239234893. The reversal of 12239234868 is 86843293221.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2347480 + ... + 2352687.
Almost surely, 212239234868 is an apocalyptic number.
It is an amenable number.
12239234868 is an abundant number, since it is smaller than the sum of its proper divisors (21451569356).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12239234868 is a wasteful number, since it uses less digits than its factorization.
12239234868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4700212 (or 4700210 counting only the distinct ones).
The product of its digits is 995328, while the sum is 48.
The spelling of 12239234868 in words is "twelve billion, two hundred thirty-nine million, two hundred thirty-four thousand, eight hundred sixty-eight".
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