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13960085081 is a prime number
BaseRepresentation
bin11010000000001010…
…11111111001011001
31100000220100210121012
431000011133321121
5212042240210311
610225125023305
71002641523335
oct150005377131
940026323535
1013960085081
115a141165a8
122857254b35
131416274c97
149660867c5
1556a89b78b
hex34015fe59

13960085081 has 2 divisors, whose sum is σ = 13960085082. Its totient is φ = 13960085080.

The previous prime is 13960085017. The next prime is 13960085131. The reversal of 13960085081 is 18058006931.

13960085081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8585875600 + 5374209481 = 92660^2 + 73309^2 .

It is a cyclic number.

It is not a de Polignac number, because 13960085081 - 26 = 13960085017 is a prime.

It is a super-2 number, since 2×139600850812 (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13960085281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6980042540 + 6980042541.

It is an arithmetic number, because the mean of its divisors is an integer number (6980042541).

Almost surely, 213960085081 is an apocalyptic number.

It is an amenable number.

13960085081 is a deficient number, since it is larger than the sum of its proper divisors (1).

13960085081 is an equidigital number, since it uses as much as digits as its factorization.

13960085081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 41.

The spelling of 13960085081 in words is "thirteen billion, nine hundred sixty million, eighty-five thousand, eighty-one".