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13107520549 = 1672292331471
BaseRepresentation
bin11000011010100010…
…01110010000100101
31020211111010000221001
430031101032100211
5203321011124144
610004351353301
7642550041424
oct141521162045
936744100831
1013107520549
115616943212
122659822831
13130b749626
148c4b572bb
1551aadebd4
hex30d44e425

13107520549 has 16 divisors (see below), whose sum is σ = 13309470720. Its totient is φ = 12907681920.

The previous prime is 13107520529. The next prime is 13107520553. The reversal of 13107520549 is 94502570131.

It is a cyclic number.

It is not a de Polignac number, because 13107520549 - 213 = 13107512357 is a prime.

It is a super-2 number, since 2×131075205492 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13107520529) 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, 8909884 + ... + 8911354.

It is an arithmetic number, because the mean of its divisors is an integer number (831841920).

Almost surely, 213107520549 is an apocalyptic number.

It is an amenable number.

13107520549 is a deficient number, since it is larger than the sum of its proper divisors (201950171).

13107520549 is a wasteful number, since it uses less digits than its factorization.

13107520549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100.

The product of its (nonzero) digits is 37800, while the sum is 37.

The spelling of 13107520549 in words is "thirteen billion, one hundred seven million, five hundred twenty thousand, five hundred forty-nine".

Divisors: 1 167 229 233 1471 38243 38911 53357 245657 336859 342743 8910619 56255453 57238081 78488147 13107520549