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10013120515 = 52002624103
BaseRepresentation
bin10010101001101010…
…00001100000000011
3221211211110020002101
421110311001200003
5131001324324030
64333331531231
7503064056116
oct112465014003
927754406071
1010013120515
114279166712
121b35459b17
13c376324a8
146adbba57d
153d91007ca
hex254d41803

10013120515 has 4 divisors (see below), whose sum is σ = 12015744624. Its totient is φ = 8010496408.

The previous prime is 10013120503. The next prime is 10013120521. The reversal of 10013120515 is 51502131001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51502131001 = 232239223087.

It is a cyclic number.

It is not a de Polignac number, because 10013120515 - 27 = 10013120387 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10013120492 and 10013120501.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001312047 + ... + 1001312056.

It is an arithmetic number, because the mean of its divisors is an integer number (3003936156).

Almost surely, 210013120515 is an apocalyptic number.

10013120515 is a deficient number, since it is larger than the sum of its proper divisors (2002624109).

10013120515 is an equidigital number, since it uses as much as digits as its factorization.

10013120515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002624108.

The product of its (nonzero) digits is 150, while the sum is 19.

Adding to 10013120515 its reverse (51502131001), we get a palindrome (61515251516).

The spelling of 10013120515 in words is "ten billion, thirteen million, one hundred twenty thousand, five hundred fifteen".

Divisors: 1 5 2002624103 10013120515