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56457327906720 = 253251319158730679
BaseRepresentation
bin11001101011000111111101…
…11110011000111110100000
321101220021020020211120220100
430311203332332120332200
524344444101421003340
6320024045520342400
714614623134124516
oct1465437676307640
9241807206746810
1056457327906720
1116a97466844744
1263b9984a74a00
132566b98385ab0
14dd27992024b6
1567d8b8372830
hex3358fef98fa0

56457327906720 has 288 divisors, whose sum is σ = 218400717225600. Its totient is φ = 13165757356032.

The previous prime is 56457327906709. The next prime is 56457327906743. The reversal of 56457327906720 is 2760972375465.

It is a happy number.

56457327906720 is a `hidden beast` number, since 5 + 6 + 457 + 3 + 27 + 90 + 6 + 72 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a super-3 number, since 3×564573279067203 (a number of 42 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 79009660 + ... + 79721019.

It is an arithmetic number, because the mean of its divisors is an integer number (758335823700).

Almost surely, 256457327906720 is an apocalyptic number.

It is an amenable number.

56457327906720 is an abundant number, since it is smaller than the sum of its proper divisors (161943389318880).

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

56457327906720 is a wasteful number, since it uses less digits than its factorization.

56457327906720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158730732 (or 158730721 counting only the distinct ones).

The product of its (nonzero) digits is 133358400, while the sum is 63.

The spelling of 56457327906720 in words is "fifty-six trillion, four hundred fifty-seven billion, three hundred twenty-seven million, nine hundred six thousand, seven hundred twenty".