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89768960986 = 21632039135049
BaseRepresentation
bin101001110011010100…
…1011010001111011010
322120201011010201011211
41103212221122033122
52432321323222421
6105123404213334
76325362402265
oct1234651321732
9276634121154
1089768960986
1135086269061
121549353a24a
138607cbb0c3
1444b8359cdc
152505e409e1
hex14e6a5a3da

89768960986 has 16 divisors (see below), whose sum is σ = 135546984000. Its totient is φ = 44586907488.

The previous prime is 89768960959. The next prime is 89768960999. The reversal of 89768960986 is 68906986798.

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, 597190 + ... + 732238.

It is an arithmetic number, because the mean of its divisors is an integer number (8471686500).

Almost surely, 289768960986 is an apocalyptic number.

89768960986 is a deficient number, since it is larger than the sum of its proper divisors (45778023014).

89768960986 is a wasteful number, since it uses less digits than its factorization.

89768960986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137253.

The product of its (nonzero) digits is 564350976, while the sum is 76.

The spelling of 89768960986 in words is "eighty-nine billion, seven hundred sixty-eight million, nine hundred sixty thousand, nine hundred eighty-six".

Divisors: 1 2 163 326 2039 4078 135049 270098 332357 664714 22012987 44025974 275364911 550729822 44884480493 89768960986