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18028723883 is a prime number
BaseRepresentation
bin10000110010100110…
…000111111010101011
31201112110020001210012
4100302212013322223
5243410323131013
612140550042135
71205524424132
oct206246077253
951473201705
1018028723883
117711821105
1235b194934b
131914179771
14c30586919
15707b7e1a8
hex432987eab

18028723883 has 2 divisors, whose sum is σ = 18028723884. Its totient is φ = 18028723882.

The previous prime is 18028723871. The next prime is 18028723897. The reversal of 18028723883 is 38832782081.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18028723883 - 220 = 18027675307 is a prime.

It is not a weakly prime, because it can be changed into another prime (18028723183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9014361941 + 9014361942.

It is an arithmetic number, because the mean of its divisors is an integer number (9014361942).

Almost surely, 218028723883 is an apocalyptic number.

18028723883 is a deficient number, since it is larger than the sum of its proper divisors (1).

18028723883 is an equidigital number, since it uses as much as digits as its factorization.

18028723883 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1032192, while the sum is 50.

The spelling of 18028723883 in words is "eighteen billion, twenty-eight million, seven hundred twenty-three thousand, eight hundred eighty-three".