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56415663293 = 1117449671911
BaseRepresentation
bin110100100010101000…
…101011010010111101
312101121201000122010212
4310202220223102331
51411014402211133
641530023242205
74035014140313
oct644250532275
9171551018125
1056415663293
1121a20197920
12ab255a9365
135420ca25b2
142a328200b3
151702c37148
hexd22a2b4bd

56415663293 has 16 divisors (see below), whose sum is σ = 65309846400. Its totient is φ = 48162508800.

The previous prime is 56415663257. The next prime is 56415663301. The reversal of 56415663293 is 39236651465.

56415663293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 56415663293 - 232 = 52120695997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56415663203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251993 + ... + 419918.

It is an arithmetic number, because the mean of its divisors is an integer number (4081865400).

Almost surely, 256415663293 is an apocalyptic number.

It is an amenable number.

56415663293 is a deficient number, since it is larger than the sum of its proper divisors (8894183107).

56415663293 is a wasteful number, since it uses less digits than its factorization.

56415663293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672388.

The product of its digits is 3499200, while the sum is 50.

The spelling of 56415663293 in words is "fifty-six billion, four hundred fifteen million, six hundred sixty-three thousand, two hundred ninety-three".

Divisors: 1 11 17 187 449 4939 7633 83963 671911 7391021 11422487 125647357 301688039 3318568429 5128696663 56415663293