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57258883648 = 265211717217
BaseRepresentation
bin110101010100111001…
…010011101001000000
312110210110200200000101
4311110321103221000
51414231233234043
642145424332144
74064633323561
oct652471235100
9173713620011
1057258883648
112231316884a
12b11ba74054
1355268a8a55
142ab27da168
151751c9a24d
hexd54e53a40

57258883648 has 28 divisors (see below), whose sum is σ = 113841250092. Its totient is φ = 28574474240.

The previous prime is 57258883639. The next prime is 57258883667. The reversal of 57258883648 is 84638885275.

It can be written as a sum of positive squares in 2 ways, for example, as 34399862784 + 22859020864 = 185472^2 + 151192^2 .

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a self number, because there is not a number n which added to its sum of digits gives 57258883648.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 825265 + ... + 891952.

Almost surely, 257258883648 is an apocalyptic number.

It is an amenable number.

57258883648 is a deficient number, since it is larger than the sum of its proper divisors (56582366444).

57258883648 is a wasteful number, since it uses less digits than its factorization.

57258883648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717750 (or 1717740 counting only the distinct ones).

The product of its digits is 103219200, while the sum is 64.

The spelling of 57258883648 in words is "fifty-seven billion, two hundred fifty-eight million, eight hundred eighty-three thousand, six hundred forty-eight".

Divisors: 1 2 4 8 16 32 64 521 1042 2084 4168 8336 16672 33344 1717217 3434434 6868868 13737736 27475472 54950944 109901888 894670057 1789340114 3578680228 7157360456 14314720912 28629441824 57258883648