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51153445104 = 2438087131779
BaseRepresentation
bin101111101000111110…
…111010000011110000
311220000222020020211220
4233220332322003300
51314230240220404
635255523505040
73460426052316
oct575076720360
9156028206756
1051153445104
111a76a871473
129ab7228180
134a92a13c18
1426939c20b6
1514e5c864d9
hexbe8fba0f0

51153445104 has 40 divisors (see below), whose sum is σ = 132163743360. Its totient is φ = 17048910528.

The previous prime is 51153445093. The next prime is 51153445157. The reversal of 51153445104 is 40154435115.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322287 + ... + 454065.

It is an arithmetic number, because the mean of its divisors is an integer number (3304093584).

Almost surely, 251153445104 is an apocalyptic number.

It is an amenable number.

51153445104 is an abundant number, since it is smaller than the sum of its proper divisors (81010298256).

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

51153445104 is a wasteful number, since it uses less digits than its factorization.

51153445104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139877 (or 139871 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The spelling of 51153445104 in words is "fifty-one billion, one hundred fifty-three million, four hundred forty-five thousand, one hundred four".

Divisors: 1 2 3 4 6 8 12 16 24 48 8087 16174 24261 32348 48522 64696 97044 129392 131779 194088 263558 388176 395337 527116 790674 1054232 1581348 2108464 3162696 6325392 1065696773 2131393546 3197090319 4262787092 6394180638 8525574184 12788361276 17051148368 25576722552 51153445104