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18170814119 is a prime number
BaseRepresentation
bin10000111011000100…
…001001111010100111
31201220100120222221112
4100323010021322213
5244203212022434
612203023335235
71212201241313
oct207304117247
951810528845
1018170814119
117784a50657
12363145151b
131937739323
14c453b2b43
15715399dce
hex43b109ea7

18170814119 has 2 divisors, whose sum is σ = 18170814120. Its totient is φ = 18170814118.

The previous prime is 18170814091. The next prime is 18170814121. The reversal of 18170814119 is 91141807181.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-18170814119 is a prime.

It is a super-2 number, since 2×181708141192 (a number of 21 digits) contains 22 as substring.

Together with 18170814121, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18170814019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9085407059 + 9085407060.

It is an arithmetic number, because the mean of its divisors is an integer number (9085407060).

Almost surely, 218170814119 is an apocalyptic number.

18170814119 is a deficient number, since it is larger than the sum of its proper divisors (1).

18170814119 is an equidigital number, since it uses as much as digits as its factorization.

18170814119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 41.

The spelling of 18170814119 in words is "eighteen billion, one hundred seventy million, eight hundred fourteen thousand, one hundred nineteen".