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13045105937 = 1923139214759
BaseRepresentation
bin11000010011000110…
…01000010100010001
31020200010200001011202
430021203020110101
5203204021342222
65554241520545
7641161366553
oct141143102421
936603601152
1013045105937
115594693196
122640943155
1312cb8355c6
148ba74b4d3
155153b1892
hex3098c8511

13045105937 has 16 divisors (see below), whose sum is σ = 14431872000. Its totient is φ = 11736095184.

The previous prime is 13045105921. The next prime is 13045105943. The reversal of 13045105937 is 73950154031.

It is not a de Polignac number, because 13045105937 - 24 = 13045105921 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13045105937.

It is not an unprimeable number, because it can be changed into a prime (13045105837) 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, 46637 + ... + 168122.

It is an arithmetic number, because the mean of its divisors is an integer number (901992000).

Almost surely, 213045105937 is an apocalyptic number.

It is an amenable number.

13045105937 is a deficient number, since it is larger than the sum of its proper divisors (1386766063).

13045105937 is a wasteful number, since it uses less digits than its factorization.

13045105937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214940.

The product of its (nonzero) digits is 56700, while the sum is 38.

Adding to 13045105937 its reverse (73950154031), we get a palindrome (86995259968).

The spelling of 13045105937 in words is "thirteen billion, forty-five million, one hundred five thousand, nine hundred thirty-seven".

Divisors: 1 19 23 139 437 2641 3197 60743 214759 4080421 4939457 29851501 93849683 567178519 686584523 13045105937