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13261308583 is a prime number
BaseRepresentation
bin11000101100110111…
…11000001010100111
31021020012111021110011
430112123320022213
5204124343333313
610031523511051
7646425156145
oct142633701247
937205437404
1013261308583
115695732466
1226a1228487
131334573773
148db34a595
1552936b93d
hex3166f82a7

13261308583 has 2 divisors, whose sum is σ = 13261308584. Its totient is φ = 13261308582.

The previous prime is 13261308581. The next prime is 13261308667. The reversal of 13261308583 is 38580316231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13261308583 - 21 = 13261308581 is a prime.

Together with 13261308581, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13261308581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6630654291 + 6630654292.

It is an arithmetic number, because the mean of its divisors is an integer number (6630654292).

Almost surely, 213261308583 is an apocalyptic number.

13261308583 is a deficient number, since it is larger than the sum of its proper divisors (1).

13261308583 is an equidigital number, since it uses as much as digits as its factorization.

13261308583 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 13261308583 in words is "thirteen billion, two hundred sixty-one million, three hundred eight thousand, five hundred eighty-three".