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13237185061 is a prime number
BaseRepresentation
bin11000101001111111…
…10110101000100101
31021011112002200012101
430110333312220211
5204102204410221
610025302452101
7646013134162
oct142477665045
937145080171
1013237185061
115683056071
122695134031
13132c5784a9
148d806b069
155271a3d91
hex314ff6a25

13237185061 has 2 divisors, whose sum is σ = 13237185062. Its totient is φ = 13237185060.

The previous prime is 13237185037. The next prime is 13237185121. The reversal of 13237185061 is 16058173231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13190522500 + 46662561 = 114850^2 + 6831^2 .

It is an emirp because it is prime and its reverse (16058173231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13237185061 - 211 = 13237183013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13237185061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13237185001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6618592530 + 6618592531.

It is an arithmetic number, because the mean of its divisors is an integer number (6618592531).

Almost surely, 213237185061 is an apocalyptic number.

It is an amenable number.

13237185061 is a deficient number, since it is larger than the sum of its proper divisors (1).

13237185061 is an equidigital number, since it uses as much as digits as its factorization.

13237185061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 13237185061 in words is "thirteen billion, two hundred thirty-seven million, one hundred eighty-five thousand, sixty-one".