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808104613 is a prime number
BaseRepresentation
bin110000001010101…
…011001010100101
32002022120222010111
4300022223022211
53123333321423
6212104253021
726011530061
oct6012531245
92068528114
10808104613
11385176a58
121a6771171
13cb55cb14
1479478aa1
154ae2860d
hex302ab2a5

808104613 has 2 divisors, whose sum is σ = 808104614. Its totient is φ = 808104612.

The previous prime is 808104587. The next prime is 808104623. The reversal of 808104613 is 316401808.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 738915489 + 69189124 = 27183^2 + 8318^2 .

It is a cyclic number.

It is not a de Polignac number, because 808104613 - 25 = 808104581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (808104623) 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, 404052306 + 404052307.

It is an arithmetic number, because the mean of its divisors is an integer number (404052307).

Almost surely, 2808104613 is an apocalyptic number.

It is an amenable number.

808104613 is a deficient number, since it is larger than the sum of its proper divisors (1).

808104613 is an equidigital number, since it uses as much as digits as its factorization.

808104613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 808104613 is about 28427.1808837950. The cubic root of 808104613 is about 931.4420965040.

The spelling of 808104613 in words is "eight hundred eight million, one hundred four thousand, six hundred thirteen".