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89457797635217 = 1138338954585481
BaseRepresentation
bin10100010101110010000100…
…010000000001110010010001
3102201202002012201200022012022
4110111302010100001302101
543211134032143311332
6514132202255141225
724562053422436014
oct2425620420016221
9381662181608168
1089457797635217
112655a925672440
12a04962b514815
133abbaac73b59b
141813acd9db37b
15a52008c29212
hex515c84401c91

89457797635217 has 16 divisors (see below), whose sum is σ = 98096661411840. Its totient is φ = 80904415036800.

The previous prime is 89457797635207. The next prime is 89457797635231. The reversal of 89457797635217 is 71253679775498.

It is a cyclic number.

It is not a de Polignac number, because 89457797635217 - 240 = 88358286007441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89457797635207) 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, 25653884 + ... + 28931597.

It is an arithmetic number, because the mean of its divisors is an integer number (6131041338240).

Almost surely, 289457797635217 is an apocalyptic number.

It is an amenable number.

89457797635217 is a deficient number, since it is larger than the sum of its proper divisors (8638863776623).

89457797635217 is a wasteful number, since it uses less digits than its factorization.

89457797635217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54586264.

The product of its digits is 5601052800, while the sum is 80.

The spelling of 89457797635217 in words is "eighty-nine trillion, four hundred fifty-seven billion, seven hundred ninety-seven million, six hundred thirty-five thousand, two hundred seventeen".

Divisors: 1 11 383 389 4213 4279 148987 1638857 54585481 600440291 20906239223 21233752109 229968631453 233571273199 8132527057747 89457797635217