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12862713471 = 331532609599
BaseRepresentation
bin10111111101010110…
…10110111001111111
31020012102110112202020
423332223112321333
5202320323312341
65524204331223
7633515155236
oct137653267177
936172415666
1012862713471
115500737013
1225ab843b13
13129cb0477a
148a042db1d
15504384566
hex2fead6e7f

12862713471 has 16 divisors (see below), whose sum is σ = 18037555200. Its totient is φ = 8141945760.

The previous prime is 12862713467. The next prime is 12862713491. The reversal of 12862713471 is 17431726821.

It is not a de Polignac number, because 12862713471 - 22 = 12862713467 is a prime.

It is a super-3 number, since 3×128627134713 (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12862713491) 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, 1299871 + ... + 1309728.

It is an arithmetic number, because the mean of its divisors is an integer number (1127347200).

Almost surely, 212862713471 is an apocalyptic number.

12862713471 is a deficient number, since it is larger than the sum of its proper divisors (5174841729).

12862713471 is a wasteful number, since it uses less digits than its factorization.

12862713471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2609686.

The product of its digits is 112896, while the sum is 42.

The spelling of 12862713471 in words is "twelve billion, eight hundred sixty-two million, seven hundred thirteen thousand, four hundred seventy-one".

Divisors: 1 3 31 53 93 159 1643 4929 2609599 7828797 80897569 138308747 242692707 414926241 4287571157 12862713471