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13540744107 = 3311318231787
BaseRepresentation
bin11001001110001011…
…10101101110101011
31021221200022001221000
430213011311232223
5210212412302412
610115345050043
7656360266032
oct144705655653
937850261830
1013540744107
115819440510
12275a926923
13137a421227
149264c9719
15543b674dc
hex327175bab

13540744107 has 64 divisors (see below), whose sum is σ = 22630072320. Its totient is φ = 7927696800.

The previous prime is 13540744057. The next prime is 13540744111. The reversal of 13540744107 is 70144704531.

13540744107 is a `hidden beast` number, since 1 + 3 + 540 + 7 + 4 + 4 + 107 = 666.

It is not a de Polignac number, because 13540744107 - 215 = 13540711339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13540744507) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7576468 + ... + 7578254.

It is an arithmetic number, because the mean of its divisors is an integer number (353594880).

Almost surely, 213540744107 is an apocalyptic number.

13540744107 is a deficient number, since it is larger than the sum of its proper divisors (9089328213).

13540744107 is a wasteful number, since it uses less digits than its factorization.

13540744107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2661 (or 2655 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The spelling of 13540744107 in words is "thirteen billion, five hundred forty million, seven hundred forty-four thousand, one hundred seven".

Divisors: 1 3 9 11 27 31 33 93 99 279 297 341 823 837 1023 1787 2469 3069 5361 7407 9053 9207 16083 19657 22221 25513 27159 48249 55397 58971 76539 81477 166191 176913 229617 244431 280643 498573 530739 609367 688851 841929 1470701 1495719 1828101 2525787 4412103 5484303 7577361 13236309 16177711 16452909 39708927 45591731 48533133 136775193 145599399 410325579 436798197 501509041 1230976737 1504527123 4513581369 13540744107