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57200572692 = 22321588904797
BaseRepresentation
bin110101010001011010…
…110111100100010100
312110122101222011102100
4311101122313210110
51414121321311232
642135542442100
74063324563024
oct652132674424
9173571864370
1057200572692
112229326097a
12b104433330
1355177a0823
142aa8b7ba84
15174baccc7c
hexd516b7914

57200572692 has 18 divisors (see below), whose sum is σ = 144590336618. Its totient is φ = 19066857552.

The previous prime is 57200572687. The next prime is 57200572733. The reversal of 57200572692 is 29627500275.

57200572692 is a `hidden beast` number, since 5 + 72 + 0 + 0 + 572 + 6 + 9 + 2 = 666.

57200572692 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 57200375556 + 197136 = 239166^2 + 444^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×572005726922 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 794452363 + ... + 794452434.

Almost surely, 257200572692 is an apocalyptic number.

It is an amenable number.

57200572692 is an abundant number, since it is smaller than the sum of its proper divisors (87389763926).

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

57200572692 is a wasteful number, since it uses less digits than its factorization.

57200572692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588904807 (or 1588904802 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The spelling of 57200572692 in words is "fifty-seven billion, two hundred million, five hundred seventy-two thousand, six hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 18 36 1588904797 3177809594 4766714391 6355619188 9533428782 14300143173 19066857564 28600286346 57200572692