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89879310717 = 3722918689813
BaseRepresentation
bin101001110110100111…
…0010111000101111101
322120222211210001112220
41103231032113011331
52433033100420332
6105142345315553
76331202351520
oct1235516270575
9276884701486
1089879310717
1135132589489
1215504495bb9
138624b166c1
1444c8c82bb7
15251098bd2c
hex14ed39717d

89879310717 has 16 divisors (see below), whose sum is σ = 137557031040. Its totient is φ = 51135325632.

The previous prime is 89879310707. The next prime is 89879310721. The reversal of 89879310717 is 71701397898.

It is not a de Polignac number, because 89879310717 - 210 = 89879309693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89879310707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9340098 + ... + 9349715.

It is an arithmetic number, because the mean of its divisors is an integer number (8597314440).

Almost surely, 289879310717 is an apocalyptic number.

It is an amenable number.

89879310717 is a deficient number, since it is larger than the sum of its proper divisors (47677720323).

89879310717 is a wasteful number, since it uses less digits than its factorization.

89879310717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18690052.

The product of its (nonzero) digits is 5334336, while the sum is 60.

The spelling of 89879310717 in words is "eighty-nine billion, eight hundred seventy-nine million, three hundred ten thousand, seven hundred seventeen".

Divisors: 1 3 7 21 229 687 1603 4809 18689813 56069439 130828691 392486073 4279967177 12839901531 29959770239 89879310717