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57760440164 = 2272971133547
BaseRepresentation
bin110101110010110010…
…100101111101100100
312112002102110101012122
4311302302211331210
51421243133041124
642311302405112
74113233432510
oct656262457544
9175072411178
1057760440164
1122550298669
12b23ba30798
1355a678745b
142b1d279140
151780d1e75e
hexd72ca5f64

57760440164 has 24 divisors (see below), whose sum is σ = 119504360640. Its totient is φ = 23900871456.

The previous prime is 57760440151. The next prime is 57760440191. The reversal of 57760440164 is 46104406775.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35565962 + ... + 35567585.

It is an arithmetic number, because the mean of its divisors is an integer number (4979348360).

Almost surely, 257760440164 is an apocalyptic number.

It is an amenable number.

57760440164 is an abundant number, since it is smaller than the sum of its proper divisors (61743920476).

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

57760440164 is a wasteful number, since it uses less digits than its factorization.

57760440164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71133587 (or 71133585 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 57760440164 in words is "fifty-seven billion, seven hundred sixty million, four hundred forty thousand, one hundred sixty-four".

Divisors: 1 2 4 7 14 28 29 58 116 203 406 812 71133547 142267094 284534188 497934829 995869658 1991739316 2062872863 4125745726 8251491452 14440110041 28880220082 57760440164