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89208180005 = 5710390727283
BaseRepresentation
bin101001100010100111…
…0001100110100100101
322112021001221002021212
41103011032030310211
52430144243230010
6104552012521205
76305443006310
oct1230516146445
9275231832255
1089208180005
1134918767aaa
1215357780205
138548a74739
144463aa1977
1524c1abd505
hex14c538cd25

89208180005 has 32 divisors (see below), whose sum is σ = 123671169024. Its totient is φ = 60508420416.

The previous prime is 89208179981. The next prime is 89208180079. The reversal of 89208180005 is 50008180298.

It is a cyclic number.

It is not a de Polignac number, because 89208180005 - 218 = 89207917861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3256094 + ... + 3283376.

It is an arithmetic number, because the mean of its divisors is an integer number (3864724032).

Almost surely, 289208180005 is an apocalyptic number.

It is an amenable number.

89208180005 is a deficient number, since it is larger than the sum of its proper divisors (34462989019).

89208180005 is a wasteful number, since it uses less digits than its factorization.

89208180005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28305.

The product of its (nonzero) digits is 46080, while the sum is 41.

The spelling of 89208180005 in words is "eighty-nine billion, two hundred eight million, one hundred eighty thousand, five".

Divisors: 1 5 7 35 103 515 721 907 3605 4535 6349 27283 31745 93421 136415 190981 467105 653947 954905 2810149 3269735 14050745 19671043 24745681 98355215 123728405 173219767 866098835 2548805143 12744025715 17841636001 89208180005