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13237309061 is a prime number
BaseRepresentation
bin11000101010000000…
…10100111010000101
31021011112022222021222
430111000110322011
5204102222342221
610025305250125
7646014161534
oct142500247205
937145288258
1013237309061
115683130249
122695193945
13132c5bca72
148d80a031b
155271ca9ab
hex315014e85

13237309061 has 2 divisors, whose sum is σ = 13237309062. Its totient is φ = 13237309060.

The previous prime is 13237308983. The next prime is 13237309069. The reversal of 13237309061 is 16090373231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11120757025 + 2116552036 = 105455^2 + 46006^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13237309061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13237309069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6618654530 + 6618654531.

It is an arithmetic number, because the mean of its divisors is an integer number (6618654531).

Almost surely, 213237309061 is an apocalyptic number.

It is an amenable number.

13237309061 is a deficient number, since it is larger than the sum of its proper divisors (1).

13237309061 is an equidigital number, since it uses as much as digits as its factorization.

13237309061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 35.

The spelling of 13237309061 in words is "thirteen billion, two hundred thirty-seven million, three hundred nine thousand, sixty-one".