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13120032139 is a prime number
BaseRepresentation
bin11000011100000001…
…11100110110001011
31020212100122200121021
430032000330312023
5203332212012024
610005515453311
7643061301364
oct141600746613
936770580537
1013120032139
115622a09375
122661a57237
13131120a436
148c6692b6b
1551bc61de4
hex30e03cd8b

13120032139 has 2 divisors, whose sum is σ = 13120032140. Its totient is φ = 13120032138.

The previous prime is 13120032137. The next prime is 13120032179. The reversal of 13120032139 is 93123002131.

It is a weak prime.

It is an emirp because it is prime and its reverse (93123002131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13120032139 - 21 = 13120032137 is a prime.

Together with 13120032137, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13120032137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6560016069 + 6560016070.

It is an arithmetic number, because the mean of its divisors is an integer number (6560016070).

Almost surely, 213120032139 is an apocalyptic number.

13120032139 is a deficient number, since it is larger than the sum of its proper divisors (1).

13120032139 is an equidigital number, since it uses as much as digits as its factorization.

13120032139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 25.

The spelling of 13120032139 in words is "thirteen billion, one hundred twenty million, thirty-two thousand, one hundred thirty-nine".