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56190056400 = 243552737919
BaseRepresentation
bin110100010101001100…
…000011011111010000
312101000222111121200000
4310111030003133100
51410034123301100
641451403530000
74026304412262
oct642514033720
9171028447600
1056190056400
1121914905045
12aa81b29900
1353b6320aaa
142a10893b32
1516dd020900
hexd153037d0

56190056400 has 360 divisors, whose sum is σ = 205013128320. Its totient is φ = 14776888320.

The previous prime is 56190056399. The next prime is 56190056431. The reversal of 56190056400 is 465009165.

56190056400 is a `hidden beast` number, since 5 + 6 + 1 + 9 + 0 + 0 + 5 + 640 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7091641 + ... + 7099559.

It is an arithmetic number, because the mean of its divisors is an integer number (569480912).

Almost surely, 256190056400 is an apocalyptic number.

56190056400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56190056400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102506564160).

56190056400 is an abundant number, since it is smaller than the sum of its proper divisors (148823071920).

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

56190056400 is a wasteful number, since it uses less digits than its factorization.

56190056400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8025 (or 8002 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 56190056400 in words is "fifty-six billion, one hundred ninety million, fifty-six thousand, four hundred".