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13015154113 = 131001165701
BaseRepresentation
bin11000001111100001…
…10111110111000001
31020121001022022222221
430013300313313001
5203123334412423
65551251531041
7640345661503
oct140760676701
936531268887
1013015154113
115579795a15
1226328b9a81
1312c5579530
148b6791d73
15512946e5d
hex307c37dc1

13015154113 has 4 divisors (see below), whose sum is σ = 14016319828. Its totient is φ = 12013988400.

The previous prime is 13015154069. The next prime is 13015154171. The reversal of 13015154113 is 31145151031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31145151031 = 63149358401.

It can be written as a sum of positive squares in 2 ways, for example, as 4468521409 + 8546632704 = 66847^2 + 92448^2 .

It is a cyclic number.

It is not a de Polignac number, because 13015154113 - 229 = 12478283201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13015134113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500582838 + ... + 500582863.

It is an arithmetic number, because the mean of its divisors is an integer number (3504079957).

Almost surely, 213015154113 is an apocalyptic number.

13015154113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13015154113 is a deficient number, since it is larger than the sum of its proper divisors (1001165715).

13015154113 is a wasteful number, since it uses less digits than its factorization.

13015154113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001165714.

The product of its (nonzero) digits is 900, while the sum is 25.

The spelling of 13015154113 in words is "thirteen billion, fifteen million, one hundred fifty-four thousand, one hundred thirteen".

Divisors: 1 13 1001165701 13015154113