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12511476139 is a prime number
BaseRepresentation
bin10111010011011110…
…11111100110101011
31012021221112211201011
423221233133212223
5201110414214024
65425300204351
7622021535551
oct135157374653
935257484634
1012511476139
115340447228
1225120996b7
131245107326
1486991dbd1
154d3604094
hex2e9bdf9ab

12511476139 has 2 divisors, whose sum is σ = 12511476140. Its totient is φ = 12511476138.

The previous prime is 12511476113. The next prime is 12511476151. The reversal of 12511476139 is 93167411521.

It is a strong prime.

It is an emirp because it is prime and its reverse (93167411521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12511476139 - 211 = 12511474091 is a prime.

It is not a weakly prime, because it can be changed into another prime (12511476169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6255738069 + 6255738070.

It is an arithmetic number, because the mean of its divisors is an integer number (6255738070).

Almost surely, 212511476139 is an apocalyptic number.

12511476139 is a deficient number, since it is larger than the sum of its proper divisors (1).

12511476139 is an equidigital number, since it uses as much as digits as its factorization.

12511476139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 40.

The spelling of 12511476139 in words is "twelve billion, five hundred eleven million, four hundred seventy-six thousand, one hundred thirty-nine".