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13107708919 = 65631997213
BaseRepresentation
bin11000011010100011…
…11100001111110111
31020211111110121022201
430031101330033313
5203321033141134
610004355405331
7642551454544
oct141521741767
936744417281
1013107708919
115616a61798
1226598b3847
13130b7b42a6
148c4ba5bcb
1551ab2a914
hex30d47c3f7

13107708919 has 4 divisors (see below), whose sum is σ = 13109712696. Its totient is φ = 13105705144.

The previous prime is 13107708907. The next prime is 13107708937. The reversal of 13107708919 is 91980770131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13107708919 is a prime.

It is a super-2 number, since 2×131077089192 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13107718919) 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, 992044 + ... + 1005169.

It is an arithmetic number, because the mean of its divisors is an integer number (3277428174).

Almost surely, 213107708919 is an apocalyptic number.

13107708919 is a deficient number, since it is larger than the sum of its proper divisors (2003777).

13107708919 is an equidigital number, since it uses as much as digits as its factorization.

13107708919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003776.

The product of its (nonzero) digits is 95256, while the sum is 46.

The spelling of 13107708919 in words is "thirteen billion, one hundred seven million, seven hundred eight thousand, nine hundred nineteen".

Divisors: 1 6563 1997213 13107708919