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57624539442 = 2310139480839
BaseRepresentation
bin110101101010101100…
…001011000100110010
312111201221201220110120
4311222230023010302
51421003340230232
642250005511110
74106663334501
oct655254130462
9174657656416
1057624539442
1122490606418
12b202412496
135584583c22
142b091c0838
151773e2792c
hexd6ab0b132

57624539442 has 16 divisors (see below), whose sum is σ = 115362861120. Its totient is φ = 19189216112.

The previous prime is 57624539393. The next prime is 57624539459. The reversal of 57624539442 is 24493542675.

It is a super-2 number, since 2×576245394422 (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 7 ways as a sum of consecutive naturals, for example, 4734342 + ... + 4746497.

It is an arithmetic number, because the mean of its divisors is an integer number (7210178820).

Almost surely, 257624539442 is an apocalyptic number.

57624539442 is an abundant number, since it is smaller than the sum of its proper divisors (57738321678).

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

57624539442 is a wasteful number, since it uses less digits than its factorization.

57624539442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9481857.

The product of its digits is 7257600, while the sum is 51.

The spelling of 57624539442 in words is "fifty-seven billion, six hundred twenty-four million, five hundred thirty-nine thousand, four hundred forty-two".

Divisors: 1 2 3 6 1013 2026 3039 6078 9480839 18961678 28442517 56885034 9604089907 19208179814 28812269721 57624539442