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56057718528 = 283272975119
BaseRepresentation
bin110100001101010011…
…001110011100000000
312100200202111011020100
4310031103032130000
51404301233443103
641430315242400
74023106513500
oct641523163400
9170622434210
1056057718528
11218571366a9
12aa45749400
135394a97166
1429db085a00
1516d15ce5a3
hexd0d4ce700

56057718528 has 324 divisors, whose sum is σ = 189991925760. Its totient is φ = 15848275968.

The previous prime is 56057718527. The next prime is 56057718581. The reversal of 56057718528 is 82581775065.

56057718528 is a `hidden beast` number, since 5 + 6 + 0 + 577 + 18 + 52 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56057718527) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10948353 + ... + 10953471.

Almost surely, 256057718528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56057718528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94995962880).

56057718528 is an abundant number, since it is smaller than the sum of its proper divisors (133934207232).

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

56057718528 is a wasteful number, since it uses less digits than its factorization.

56057718528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5252 (or 5228 counting only the distinct ones).

The product of its (nonzero) digits is 4704000, while the sum is 54.

The spelling of 56057718528 in words is "fifty-six billion, fifty-seven million, seven hundred eighteen thousand, five hundred twenty-eight".