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89407681171 = 172309369139
BaseRepresentation
bin101001101000100011…
…1001111001010010011
322112202222022210102221
41103101013033022103
52431101331244141
6105023500521511
76313414515334
oct1232107171223
9275688283387
1089407681171
1134a1033a1a6
12153b2550297
13857b1b5973
14448239428b
1524d4379bd1
hex14d11cf293

89407681171 has 6 divisors (see below), whose sum is σ = 94976325980. Its totient is φ = 84148405536.

The previous prime is 89407681159. The next prime is 89407681249. The reversal of 89407681171 is 17118670498.

It is a happy number.

It is not a de Polignac number, because 89407681171 - 213 = 89407672979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89407681271) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 154684281 + ... + 154684858.

Almost surely, 289407681171 is an apocalyptic number.

89407681171 is a deficient number, since it is larger than the sum of its proper divisors (5568644809).

89407681171 is a wasteful number, since it uses less digits than its factorization.

89407681171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309369173 (or 309369156 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 52.

The spelling of 89407681171 in words is "eighty-nine billion, four hundred seven million, six hundred eighty-one thousand, one hundred seventy-one".

Divisors: 1 17 289 309369139 5259275363 89407681171