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13510013 = 112111653
BaseRepresentation
bin110011100010…
…010101111101
3221102101020212
4303202111331
511424310023
61201322205
7222555536
oct63422575
927371225
1013510013
117698300
124636365
132a503ba
141b1968d
1512bce78
hexce257d

13510013 has 6 divisors (see below), whose sum is σ = 14849982. Its totient is φ = 12281720.

The previous prime is 13510001. The next prime is 13510031. The reversal of 13510013 is 31001531.

It can be written as a sum of positive squares in only one way, i.e., 11035684 + 2474329 = 3322^2 + 1573^2 .

It is not a de Polignac number, because 13510013 - 28 = 13509757 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 13510013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13512013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55706 + ... + 55947.

It is an arithmetic number, because the mean of its divisors is an integer number (2474997).

Almost surely, 213510013 is an apocalyptic number.

It is an amenable number.

13510013 is a deficient number, since it is larger than the sum of its proper divisors (1339969).

13510013 is a wasteful number, since it uses less digits than its factorization.

13510013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111675 (or 111664 counting only the distinct ones).

The product of its (nonzero) digits is 45, while the sum is 14.

The square root of 13510013 is about 3675.5969583185. The cubic root of 13510013 is about 238.1690123087.

Adding to 13510013 its reverse (31001531), we get a palindrome (44511544).

The spelling of 13510013 in words is "thirteen million, five hundred ten thousand, thirteen".

Divisors: 1 11 121 111653 1228183 13510013