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82668457183 = 1353877136811
BaseRepresentation
bin100110011111101101…
…1001000110011011111
321220101022021202002111
41030333123020303133
52323301111112213
6101551035534451
75654413202104
oct1147733106337
9256338252074
1082668457183
11320722094a4
12140315ba427
137a45c26270
14400331aaab
15223c8c2a3d
hex133f6c8cdf

82668457183 has 16 divisors (see below), whose sum is σ = 90811427616. Its totient is φ = 74783629440.

The previous prime is 82668457163. The next prime is 82668457213. The reversal of 82668457183 is 38175486628.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-82668457183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82668457133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 535848 + ... + 672658.

It is an arithmetic number, because the mean of its divisors is an integer number (5675714226).

Almost surely, 282668457183 is an apocalyptic number.

82668457183 is a deficient number, since it is larger than the sum of its proper divisors (8142970433).

82668457183 is a wasteful number, since it uses less digits than its factorization.

82668457183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137754.

The product of its digits is 15482880, while the sum is 58.

The spelling of 82668457183 in words is "eighty-two billion, six hundred sixty-eight million, four hundred fifty-seven thousand, one hundred eighty-three".

Divisors: 1 13 53 689 877 11401 46481 136811 604253 1778543 7250983 94262779 119983247 1559782211 6359112091 82668457183