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12513187568812 = 2271069418053841
BaseRepresentation
bin1011011000010111010000…
…0110011001110010101100
31122022020201120000201112111
42312011310012121302230
53120004002004200222
642340251244413404
72431022311250350
oct266056406316254
948266646021474
1012513187568812
113a948a41899a7
1214a1181247264
136c9cb0a332c8
143138da435460
1516a76b6a6777
hexb6174199cac

12513187568812 has 24 divisors (see below), whose sum is σ = 25049786212640. Its totient is φ = 5357778013440.

The previous prime is 12513187568789. The next prime is 12513187568851. The reversal of 12513187568812 is 21886578131521.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208996989 + ... + 209056852.

Almost surely, 212513187568812 is an apocalyptic number.

It is an amenable number.

12513187568812 is an abundant number, since it is smaller than the sum of its proper divisors (12536598643828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12513187568812 is a wasteful number, since it uses less digits than its factorization.

12513187568812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418054921 (or 418054919 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 58.

The spelling of 12513187568812 in words is "twelve trillion, five hundred thirteen billion, one hundred eighty-seven million, five hundred sixty-eight thousand, eight hundred twelve".

Divisors: 1 2 4 7 14 28 1069 2138 4276 7483 14966 29932 418053841 836107682 1672215364 2926376887 5852753774 11705507548 446899556029 893799112058 1787598224116 3128296892203 6256593784406 12513187568812