Search a number
-
+
12513875251265 = 511311221269123
BaseRepresentation
bin1011011000011001110100…
…0101101101000001000001
31122022022111111000121111222
42312012131011231001001
53120011404031020030
642340443412044425
72431045331410433
oct266063505550101
948268444017458
1012513875251265
113a95117385a03
1214a1333603715
136ca09034bcbb
143139638c4653
1516a7abc443e5
hexb619d16d041

12513875251265 has 8 divisors (see below), whose sum is σ = 15017977984128. Its totient is φ = 10010215079280.

The previous prime is 12513875251243. The next prime is 12513875251277. The reversal of 12513875251265 is 56215257831521.

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

It is not a de Polignac number, because 12513875251265 - 210 = 12513875250241 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110578007 + ... + 110691116.

It is an arithmetic number, because the mean of its divisors is an integer number (1877247248016).

Almost surely, 212513875251265 is an apocalyptic number.

It is an amenable number.

12513875251265 is a deficient number, since it is larger than the sum of its proper divisors (2504102732863).

12513875251265 is a wasteful number, since it uses less digits than its factorization.

12513875251265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221280439.

The product of its digits is 5040000, while the sum is 53.

The spelling of 12513875251265 in words is "twelve trillion, five hundred thirteen billion, eight hundred seventy-five million, two hundred fifty-one thousand, two hundred sixty-five".

Divisors: 1 5 11311 56555 221269123 1106345615 2502775050253 12513875251265