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13434689631 = 3111439282913
BaseRepresentation
bin11001000001100010…
…10001100001011111
31021200021201221112110
430200301101201133
5210003240032011
610101040005103
7653631656226
oct144061214137
937607657473
1013434689631
115774594190
12272b300793
13136146a9bc
1491639dcbd
155396b8ba6
hex320c5185f

13434689631 has 16 divisors (see below), whose sum is σ = 19555015680. Its totient is φ = 8136549120.

The previous prime is 13434689627. The next prime is 13434689633. The reversal of 13434689631 is 13698643431.

It is not a de Polignac number, because 13434689631 - 22 = 13434689627 is a prime.

It is a super-2 number, since 2×134346896312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13434689633) 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, 93970 + ... + 188943.

It is an arithmetic number, because the mean of its divisors is an integer number (1222188480).

Almost surely, 213434689631 is an apocalyptic number.

13434689631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13434689631 is a deficient number, since it is larger than the sum of its proper divisors (6120326049).

13434689631 is a wasteful number, since it uses less digits than its factorization.

13434689631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284366.

The product of its digits is 1119744, while the sum is 48.

The spelling of 13434689631 in words is "thirteen billion, four hundred thirty-four million, six hundred eighty-nine thousand, six hundred thirty-one".

Divisors: 1 3 11 33 1439 4317 15829 47487 282913 848739 3112043 9336129 407111807 1221335421 4478229877 13434689631