Base | Representation |
---|---|
bin | 10111111101010110… |
… | …01011010001001100 |
3 | 1020012102101010100210 |
4 | 23332223023101030 |
5 | 202320320301204 |
6 | 5524203322420 |
7 | 633514566252 |
oct | 137653132114 |
9 | 36172333323 |
10 | 12862665804 |
11 | 550070421a |
12 | 25ab820410 |
13 | 129cab8b71 |
14 | 8a041a5d2 |
15 | 504375389 |
hex | 2feacb44c |
12862665804 has 24 divisors (see below), whose sum is σ = 30015111168. Its totient is φ = 4287237520.
The previous prime is 12862665757. The next prime is 12862665811. The reversal of 12862665804 is 40856626821.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175669 + ... + 237875.
It is an arithmetic number, because the mean of its divisors is an integer number (1250629632).
Almost surely, 212862665804 is an apocalyptic number.
It is an amenable number.
12862665804 is an abundant number, since it is smaller than the sum of its proper divisors (17152445364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12862665804 is a wasteful number, since it uses less digits than its factorization.
12862665804 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 79445 (or 79443 counting only the distinct ones).
The product of its (nonzero) digits is 1105920, while the sum is 48.
The spelling of 12862665804 in words is "twelve billion, eight hundred sixty-two million, six hundred sixty-five thousand, eight hundred four".
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