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13011332313 = 371736446309
BaseRepresentation
bin11000001111000100…
…10010110011011001
31020120210010011110210
430013202102303121
5203121400113223
65551034001333
7640301333310
oct140742226331
936523104423
1013011332313
115577615601
122631576249
1312c483bb05
148b6079277
1551243e893
hex307892cd9

13011332313 has 16 divisors (see below), whose sum is σ = 20993074560. Its totient is φ = 6997691136.

The previous prime is 13011332309. The next prime is 13011332333. The reversal of 13011332313 is 31323311031.

It is not a de Polignac number, because 13011332313 - 22 = 13011332309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 13011332313.

It is not an unprimeable number, because it can be changed into a prime (13011332333) 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, 18222798 + ... + 18223511.

It is an arithmetic number, because the mean of its divisors is an integer number (1312067160).

Almost surely, 213011332313 is an apocalyptic number.

It is an amenable number.

13011332313 is a deficient number, since it is larger than the sum of its proper divisors (7981742247).

13011332313 is a wasteful number, since it uses less digits than its factorization.

13011332313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36446336.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 13011332313 its reverse (31323311031), we get a palindrome (44334643344).

The spelling of 13011332313 in words is "thirteen billion, eleven million, three hundred thirty-two thousand, three hundred thirteen".

Divisors: 1 3 7 17 21 51 119 357 36446309 109338927 255124163 619587253 765372489 1858761759 4337110771 13011332313