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13108118994769 is a prime number
BaseRepresentation
bin1011111010111111100011…
…0001101011111101010001
31201102010100100110112120011
42332233320301223331101
53204230411430313034
643513441533514521
72522013260033521
oct276577061537521
951363310415504
1013108118994769
1141a4138498827
121578536642a41
13741123572476
14334617487681
1517ae8b574864
hexbebf8c6bf51

13108118994769 has 2 divisors, whose sum is σ = 13108118994770. Its totient is φ = 13108118994768.

The previous prime is 13108118994767. The next prime is 13108118994781. The reversal of 13108118994769 is 96749981180131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9979836991744 + 3128282003025 = 3159088^2 + 1768695^2 .

It is a cyclic number.

It is not a de Polignac number, because 13108118994769 - 21 = 13108118994767 is a prime.

It is a super-2 number, since 2×131081189947692 (a number of 27 digits) contains 22 as substring.

Together with 13108118994767, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13108118994767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6554059497384 + 6554059497385.

It is an arithmetic number, because the mean of its divisors is an integer number (6554059497385).

Almost surely, 213108118994769 is an apocalyptic number.

It is an amenable number.

13108118994769 is a deficient number, since it is larger than the sum of its proper divisors (1).

13108118994769 is an equidigital number, since it uses as much as digits as its factorization.

13108118994769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23514624, while the sum is 67.

The spelling of 13108118994769 in words is "thirteen trillion, one hundred eight billion, one hundred eighteen million, nine hundred ninety-four thousand, seven hundred sixty-nine".