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13130710105 = 56534021657
BaseRepresentation
bin11000011101010011…
…01011110001011001
31020220002202012000111
430032221223301121
5203342430210410
610010540404321
7643251123442
oct141651536131
936802665014
1013130710105
115628a41937
1226655466a1
1313134a8766
148c7c722c9
1551cb70b8a
hex30ea6bc59

13130710105 has 8 divisors (see below), whose sum is σ = 15780985992. Its totient is φ = 10488478848.

The previous prime is 13130710081. The next prime is 13130710193. The reversal of 13130710105 is 50101703131.

It can be written as a sum of positive squares in 4 ways, for example, as 2437495641 + 10693214464 = 49371^2 + 103408^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13130710105 - 233 = 4540775513 is a prime.

It is a super-2 number, since 2×131307101052 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2007564 + ... + 2014093.

It is an arithmetic number, because the mean of its divisors is an integer number (1972623249).

Almost surely, 213130710105 is an apocalyptic number.

It is an amenable number.

13130710105 is a deficient number, since it is larger than the sum of its proper divisors (2650275887).

13130710105 is an equidigital number, since it uses as much as digits as its factorization.

13130710105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4022315.

The product of its (nonzero) digits is 315, while the sum is 22.

The spelling of 13130710105 in words is "thirteen billion, one hundred thirty million, seven hundred ten thousand, one hundred five".

Divisors: 1 5 653 3265 4021657 20108285 2626142021 13130710105