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89515671168 = 27372113711689
BaseRepresentation
bin101001101011110001…
…1001011111010000000
322120001111112020212110
41103113203023322000
52431312002434133
6105042315255320
76316165436100
oct1232743137200
9276044466773
1089515671168
1134a66298730
121542274a540
138597696181
144492865200
1524ddaabc63
hex14d78cbe80

89515671168 has 384 divisors, whose sum is σ = 309923409600. Its totient is φ = 22620487680.

The previous prime is 89515671151. The next prime is 89515671239. The reversal of 89515671168 is 86117651598.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (384).

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, 7652268 + ... + 7663956.

Almost surely, 289515671168 is an apocalyptic number.

89515671168 is a gapful number since it is divisible by the number (88) 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 89515671168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154961704800).

89515671168 is an abundant number, since it is smaller than the sum of its proper divisors (220407738432).

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

89515671168 is a wasteful number, since it uses less digits than its factorization.

89515671168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11768 (or 11749 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 57.

The spelling of 89515671168 in words is "eighty-nine billion, five hundred fifteen million, six hundred seventy-one thousand, one hundred sixty-eight".