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12872898402624 = 2633131093524287
BaseRepresentation
bin1011101101010011010010…
…0010010101100101000000
31200120122012102102101121000
42323110310202111211000
53141402143442340444
643213421120132000
72466015265012431
oct273246442254500
950518172371530
1012872898402624
114113402609437
12153aa2b767000
13724ba8415530
143270a1877488
15174cc0ee9469
hexbb534895940

12872898402624 has 224 divisors, whose sum is σ = 40792374640640. Its totient is φ = 3957260396544.

The previous prime is 12872898402547. The next prime is 12872898402653. The reversal of 12872898402624 is 42620489827821.

12872898402624 is a `hidden beast` number, since 1 + 2 + 87 + 2 + 8 + 98 + 402 + 62 + 4 = 666.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 24291009 + ... + 24815295.

It is an arithmetic number, because the mean of its divisors is an integer number (182108815360).

Almost surely, 212872898402624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12872898402624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20396187320320).

12872898402624 is an abundant number, since it is smaller than the sum of its proper divisors (27919476238016).

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

12872898402624 is a wasteful number, since it uses less digits than its factorization.

12872898402624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525414 (or 525398 counting only the distinct ones).

The product of its (nonzero) digits is 49545216, while the sum is 63.

The spelling of 12872898402624 in words is "twelve trillion, eight hundred seventy-two billion, eight hundred ninety-eight million, four hundred two thousand, six hundred twenty-four".