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12862665804 = 2231723162207
BaseRepresentation
bin10111111101010110…
…01011010001001100
31020012102101010100210
423332223023101030
5202320320301204
65524203322420
7633514566252
oct137653132114
936172333323
1012862665804
11550070421a
1225ab820410
13129cab8b71
148a041a5d2
15504375389
hex2feacb44c

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".

Divisors: 1 2 3 4 6 12 17231 34462 51693 62207 68924 103386 124414 186621 206772 248828 373242 746484 1071888817 2143777634 3215666451 4287555268 6431332902 12862665804