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89708067904 = 2672136136073
BaseRepresentation
bin101001110001100000…
…1000111110001000000
322120112220120000120111
41103203001013301000
52432210231133104
6105113351121104
76324022665400
oct1234301076100
9276486500514
1089708067904
11350549581a4
1215477073194
1385c84ba7b0
1444b0228800
152500913404
hex14e3047c40

89708067904 has 168 divisors, whose sum is σ = 226669247448. Its totient is φ = 34906152960.

The previous prime is 89708067899. The next prime is 89708067919. The reversal of 89708067904 is 40976080798.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1883560000 + 87824507904 = 43400^2 + 296352^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2468812 + ... + 2504884.

It is an arithmetic number, because the mean of its divisors is an integer number (1349221711).

Almost surely, 289708067904 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 89708067904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113334623724).

89708067904 is an abundant number, since it is smaller than the sum of its proper divisors (136961179544).

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

89708067904 is a wasteful number, since it uses less digits than its factorization.

89708067904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36173 (or 36156 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 58.

The spelling of 89708067904 in words is "eighty-nine billion, seven hundred eight million, sixty-seven thousand, nine hundred four".