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57645090112 = 262931058777
BaseRepresentation
bin110101101011111010…
…100100010101000000
312111210101101222200111
4311223322210111000
51421024120340422
642252022201104
74110333116131
oct655372442500
9174711358614
1057645090112
11224a1172445
12b209283194
1355888cab9c
142b0bc0dc88
151775b36a77
hexd6bea4540

57645090112 has 28 divisors (see below), whose sum is σ = 118333944180. Its totient is φ = 27828663296.

The previous prime is 57645090091. The next prime is 57645090131. The reversal of 57645090112 is 21109054675.

It can be written as a sum of positive squares in 2 ways, for example, as 14357790976 + 43287299136 = 119824^2 + 208056^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15527533 + ... + 15531244.

Almost surely, 257645090112 is an apocalyptic number.

It is an amenable number.

57645090112 is an abundant number, since it is smaller than the sum of its proper divisors (60688854068).

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

57645090112 is a wasteful number, since it uses less digits than its factorization.

57645090112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31058818 (or 31058808 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 40.

The spelling of 57645090112 in words is "fifty-seven billion, six hundred forty-five million, ninety thousand, one hundred twelve".

Divisors: 1 2 4 8 16 29 32 58 64 116 232 464 928 1856 31058777 62117554 124235108 248470216 496940432 900704533 993880864 1801409066 1987761728 3602818132 7205636264 14411272528 28822545056 57645090112