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13146965131 = 9710710911621
BaseRepresentation
bin11000011111001111…
…01100010010001011
31020221020100000201111
430033213230102023
5203411110341011
610012321031151
7643536234256
oct141747542213
936836300644
1013146965131
115637134543
12266aa854b7
13131697a411
148ca0a409d
1551e2d2121
hex30f9ec48b

13146965131 has 16 divisors (see below), whose sum is σ = 13530797280. Its totient is φ = 12770472960.

The previous prime is 13146965123. The next prime is 13146965173. The reversal of 13146965131 is 13156964131.

It is a cyclic number.

It is not a de Polignac number, because 13146965131 - 23 = 13146965123 is a prime.

It is a super-2 number, since 2×131469651312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13146965731) 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, 1125501 + ... + 1137121.

It is an arithmetic number, because the mean of its divisors is an integer number (845674830).

Almost surely, 213146965131 is an apocalyptic number.

13146965131 is a deficient number, since it is larger than the sum of its proper divisors (383832149).

13146965131 is a wasteful number, since it uses less digits than its factorization.

13146965131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11934.

The product of its digits is 58320, while the sum is 40.

The spelling of 13146965131 in words is "thirteen billion, one hundred forty-six million, nine hundred sixty-five thousand, one hundred thirty-one".

Divisors: 1 97 107 109 10379 10573 11621 11663 1127237 1131311 1243447 1266689 120614359 122868833 135535723 13146965131