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57100565768 = 237137570721
BaseRepresentation
bin110101001011011101…
…010111110100001000
312110101102210021201012
4311023131113310020
51413420221101033
642122011143052
74061001541451
oct651335276410
9173342707635
1057100565768
1122241865224
12b096a44a88
1354ccb56b2c
142a99788128
151742e26248
hexd4b757d08

57100565768 has 8 divisors (see below), whose sum is σ = 107063560830. Its totient is φ = 28550282880.

The previous prime is 57100565749. The next prime is 57100565771. The reversal of 57100565768 is 86756500175.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 32658995524 + 24441570244 = 180718^2 + 156338^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×571005657682 (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 (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3568785353 + ... + 3568785368.

Almost surely, 257100565768 is an apocalyptic number.

It is an amenable number.

57100565768 is a deficient number, since it is larger than the sum of its proper divisors (49962995062).

57100565768 is a wasteful number, since it uses less digits than its factorization.

57100565768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7137570727 (or 7137570723 counting only the distinct ones).

The product of its (nonzero) digits is 1764000, while the sum is 50.

The spelling of 57100565768 in words is "fifty-seven billion, one hundred million, five hundred sixty-five thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 7137570721 14275141442 28550282884 57100565768