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57752442876 = 2235981571247
BaseRepresentation
bin110101110010010100…
…000101011111111100
312112001212102001222210
4311302110011133330
51421234111133001
642310415140420
74113105444012
oct656224053774
9175055361883
1057752442876
1122546826137
12b239214710
1355a4c1732b
142b1c1968b2
15178028edd6
hexd725057fc

57752442876 has 24 divisors (see below), whose sum is σ = 137039696640. Its totient is φ = 18924529072.

The previous prime is 57752442829. The next prime is 57752442877. The reversal of 57752442876 is 67824425775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57752442877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40784916 + ... + 40786331.

It is an arithmetic number, because the mean of its divisors is an integer number (5709987360).

Almost surely, 257752442876 is an apocalyptic number.

It is an amenable number.

57752442876 is an abundant number, since it is smaller than the sum of its proper divisors (79287253764).

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

57752442876 is a wasteful number, since it uses less digits than its factorization.

57752442876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81571313 (or 81571311 counting only the distinct ones).

The product of its digits is 26342400, while the sum is 57.

The spelling of 57752442876 in words is "fifty-seven billion, seven hundred fifty-two million, four hundred forty-two thousand, eight hundred seventy-six".

Divisors: 1 2 3 4 6 12 59 118 177 236 354 708 81571247 163142494 244713741 326284988 489427482 978854964 4812703573 9625407146 14438110719 19250814292 28876221438 57752442876