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18119890799 is a prime number
BaseRepresentation
bin10000111000000001…
…111001011101101111
31201202210202211021122
4100320001321131233
5244102143001144
612154004051155
71211012346653
oct207001713557
951683684248
1018119890799
11775922a16a
123618393abb
13192a01989a
14c3c718a63
15710b8b7ee
hex43807976f

18119890799 has 2 divisors, whose sum is σ = 18119890800. Its totient is φ = 18119890798.

The previous prime is 18119890753. The next prime is 18119890813. The reversal of 18119890799 is 99709891181.

It is a strong prime.

It is an emirp because it is prime and its reverse (99709891181) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18119890799 - 216 = 18119825263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18119895799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9059945399 + 9059945400.

It is an arithmetic number, because the mean of its divisors is an integer number (9059945400).

Almost surely, 218119890799 is an apocalyptic number.

18119890799 is a deficient number, since it is larger than the sum of its proper divisors (1).

18119890799 is an equidigital number, since it uses as much as digits as its factorization.

18119890799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2939328, while the sum is 62.

The spelling of 18119890799 in words is "eighteen billion, one hundred nineteen million, eight hundred ninety thousand, seven hundred ninety-nine".