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13613202389 is a prime number
BaseRepresentation
bin11001010110110100…
…01111101111010101
31022010201122100000002
430223122033233111
5210334434434024
610130454101045
7661230211463
oct145332175725
938121570002
1013613202389
115856330496
12277b04a785
13138c440957
14931d8b833
1554a1cb6ae
hex32b68fbd5

13613202389 has 2 divisors, whose sum is σ = 13613202390. Its totient is φ = 13613202388.

The previous prime is 13613202371. The next prime is 13613202413. The reversal of 13613202389 is 98320231631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12990300625 + 622901764 = 113975^2 + 24958^2 .

It is an emirp because it is prime and its reverse (98320231631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13613202389 - 232 = 9318235093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13613201389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6806601194 + 6806601195.

It is an arithmetic number, because the mean of its divisors is an integer number (6806601195).

Almost surely, 213613202389 is an apocalyptic number.

It is an amenable number.

13613202389 is a deficient number, since it is larger than the sum of its proper divisors (1).

13613202389 is an equidigital number, since it uses as much as digits as its factorization.

13613202389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 38.

The spelling of 13613202389 in words is "thirteen billion, six hundred thirteen million, two hundred two thousand, three hundred eighty-nine".