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89157520368 = 2435721924631
BaseRepresentation
bin101001100001000110…
…0111100101111110000
322112010112121022100000
41103002030330233300
52430043311122433
6104543003030000
76304256263500
oct1230214745760
9275115538300
1089157520368
11348a2106734
121534280b300
13853b418017
14445b075a00
1524bc413113
hex14c233cbf0

89157520368 has 360 divisors, whose sum is σ = 316860136320. Its totient is φ = 24131882880.

The previous prime is 89157520259. The next prime is 89157520409. The reversal of 89157520368 is 86302575198.

89157520368 is a `hidden beast` number, since 8 + 9 + 1 + 57 + 520 + 3 + 68 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 3607413 + ... + 3632043.

Almost surely, 289157520368 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 89157520368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158430068160).

89157520368 is an abundant number, since it is smaller than the sum of its proper divisors (227702615952).

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

89157520368 is a wasteful number, since it uses less digits than its factorization.

89157520368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24687 (or 24662 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 54.

The spelling of 89157520368 in words is "eighty-nine billion, one hundred fifty-seven million, five hundred twenty thousand, three hundred sixty-eight".