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57433036764 = 2234786086397
BaseRepresentation
bin110101011111010001…
…101001011111011100
312111020121101120011210
4311133101221133130
51420110324134024
642215005144420
74102146520605
oct653721513734
9174217346153
1057433036764
11223a24a7644
12b16a25b110
1355539b352c
142acb9b0dac
1517621eb129
hexd5f4697dc

57433036764 has 12 divisors (see below), whose sum is σ = 134010419144. Its totient is φ = 19144345584.

The previous prime is 57433036763. The next prime is 57433036783. The reversal of 57433036764 is 46763033475.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×574330367643 (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57433036763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2393043187 + ... + 2393043210.

Almost surely, 257433036764 is an apocalyptic number.

It is an amenable number.

57433036764 is an abundant number, since it is smaller than the sum of its proper divisors (76577382380).

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

57433036764 is a wasteful number, since it uses less digits than its factorization.

57433036764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4786086404 (or 4786086402 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 48.

The spelling of 57433036764 in words is "fifty-seven billion, four hundred thirty-three million, thirty-six thousand, seven hundred sixty-four".

Divisors: 1 2 3 4 6 12 4786086397 9572172794 14358259191 19144345588 28716518382 57433036764