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51112062545 = 5191094935979
BaseRepresentation
bin101111100110100001…
…000010111001010001
311212221002100210122112
4233212201002321101
51314134142000140
635251444515105
73456414235415
oct574641027121
9155832323575
1051112062545
111a749477105
129aa53aba95
134a87284cbb
14268c2ccd45
1514e230ec65
hexbe6842e51

51112062545 has 16 divisors (see below), whose sum is σ = 65154936000. Its totient is φ = 38382164928.

The previous prime is 51112062503. The next prime is 51112062563. The reversal of 51112062545 is 54526021115.

It is a cyclic number.

It is not a de Polignac number, because 51112062545 - 220 = 51111013969 is a prime.

It is a super-2 number, since 2×511120625452 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2457635 + ... + 2478344.

It is an arithmetic number, because the mean of its divisors is an integer number (4072183500).

Almost surely, 251112062545 is an apocalyptic number.

It is an amenable number.

51112062545 is a deficient number, since it is larger than the sum of its proper divisors (14042873455).

51112062545 is a wasteful number, since it uses less digits than its factorization.

51112062545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4936112.

The product of its (nonzero) digits is 12000, while the sum is 32.

The spelling of 51112062545 in words is "fifty-one billion, one hundred twelve million, sixty-two thousand, five hundred forty-five".

Divisors: 1 5 19 95 109 545 2071 10355 4935979 24679895 93783601 468918005 538021711 2690108555 10222412509 51112062545