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57979897975 = 523377579091
BaseRepresentation
bin110101111111110111…
…110000100001110111
312112122201101222201201
4311333313300201313
51422220323213400
642345142233331
74121540000266
oct657767604167
9175581358651
1057979897975
112265316055a
12b2a1425847
13561009514c
142b404845dd
15179521e06a
hexd7fdf0877

57979897975 has 24 divisors (see below), whose sum is σ = 72211609808. Its totient is φ = 46180108800.

The previous prime is 57979897957. The next prime is 57979898047.

57979897975 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 57979897975 - 213 = 57979889783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6373180 + ... + 6382270.

Almost surely, 257979897975 is an apocalyptic number.

57979897975 is a deficient number, since it is larger than the sum of its proper divisors (14231711833).

57979897975 is a wasteful number, since it uses less digits than its factorization.

57979897975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10195 (or 10190 counting only the distinct ones).

The product of its digits is 3150592200, while the sum is 82.

The spelling of 57979897975 in words is "fifty-seven billion, nine hundred seventy-nine million, eight hundred ninety-seven thousand, nine hundred seventy-five".

Divisors: 1 5 25 337 757 1685 3785 8425 9091 18925 45455 227275 255109 1275545 3063667 6377725 6881887 15318335 34409435 76591675 172047175 2319195919 11595979595 57979897975