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13102139 is a prime number
BaseRepresentation
bin110001111110…
…110000111011
3220122122202102
4301332300323
511323232024
61144454015
7216236441
oct61766073
926578672
1013102139
117439916
12447a30b
13293985b
141a50b91
15123c1ae
hexc7ec3b

13102139 has 2 divisors, whose sum is σ = 13102140. Its totient is φ = 13102138.

The previous prime is 13102099. The next prime is 13102151. The reversal of 13102139 is 93120131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13102139 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13102139.

It is not a weakly prime, because it can be changed into another prime (13104139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6551069 + 6551070.

It is an arithmetic number, because the mean of its divisors is an integer number (6551070).

Almost surely, 213102139 is an apocalyptic number.

13102139 is a deficient number, since it is larger than the sum of its proper divisors (1).

13102139 is an equidigital number, since it uses as much as digits as its factorization.

13102139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 13102139 is about 3619.6876937106. The cubic root of 13102139 is about 235.7476655164.

The spelling of 13102139 in words is "thirteen million, one hundred two thousand, one hundred thirty-nine".