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82107931996 = 2220526982999
BaseRepresentation
bin100110001111000000…
…0111001110101011100
321211221020120010002101
41030132000321311130
52321124112310441
6101415253534444
75634465622636
oct1143600716534
9254836503071
1082107931996
1131904872642
1213ab5944424
137986a6c15c
143d8cacba56
1522085a1231
hex131e039d5c

82107931996 has 6 divisors (see below), whose sum is σ = 143688881000. Its totient is φ = 41053965996.

The previous prime is 82107931993. The next prime is 82107931999. The reversal of 82107931996 is 69913970128.

It is an interprime number because it is at equal distance from previous prime (82107931993) and next prime (82107931999).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82107931991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10263491496 + ... + 10263491503.

Almost surely, 282107931996 is an apocalyptic number.

It is an amenable number.

82107931996 is a deficient number, since it is larger than the sum of its proper divisors (61580949004).

82107931996 is a wasteful number, since it uses less digits than its factorization.

82107931996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20526983003 (or 20526983001 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 55.

The spelling of 82107931996 in words is "eighty-two billion, one hundred seven million, nine hundred thirty-one thousand, nine hundred ninety-six".

Divisors: 1 2 4 20526982999 41053965998 82107931996