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18119610079 is a prime number
BaseRepresentation
bin10000111000000000…
…110100111011011111
31201202210020120012121
4100320000310323133
5244102110010304
612153554043411
71211010100354
oct207000647337
951683216177
1018119610079
11775905826a
123618279567
131929c4bb8c
14c3c68462b
15710b33554
hex438034edf

18119610079 has 2 divisors, whose sum is σ = 18119610080. Its totient is φ = 18119610078.

The previous prime is 18119610077. The next prime is 18119610107. The reversal of 18119610079 is 97001691181.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18119610079 - 21 = 18119610077 is a prime.

Together with 18119610077, 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 (18119610077) 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, 9059805039 + 9059805040.

It is an arithmetic number, because the mean of its divisors is an integer number (9059805040).

Almost surely, 218119610079 is an apocalyptic number.

18119610079 is a deficient number, since it is larger than the sum of its proper divisors (1).

18119610079 is an equidigital number, since it uses as much as digits as its factorization.

18119610079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 43.

The spelling of 18119610079 in words is "eighteen billion, one hundred nineteen million, six hundred ten thousand, seventy-nine".