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18034106897 is a prime number
BaseRepresentation
bin10000110010111010…
…101010001000010001
31201112211100112220002
4100302322222020101
5243413212410042
612141301255345
71205621244062
oct206272521021
951484315802
1018034106897
117714868484
1235b3704555
131915312991
14c31188569
15708394132
hex432eaa211

18034106897 has 2 divisors, whose sum is σ = 18034106898. Its totient is φ = 18034106896.

The previous prime is 18034106891. The next prime is 18034106927. The reversal of 18034106897 is 79860143081.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15998202256 + 2035904641 = 126484^2 + 45121^2 .

It is a cyclic number.

It is not a de Polignac number, because 18034106897 - 28 = 18034106641 is a prime.

It is not a weakly prime, because it can be changed into another prime (18034106891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9017053448 + 9017053449.

It is an arithmetic number, because the mean of its divisors is an integer number (9017053449).

Almost surely, 218034106897 is an apocalyptic number.

It is an amenable number.

18034106897 is a deficient number, since it is larger than the sum of its proper divisors (1).

18034106897 is an equidigital number, since it uses as much as digits as its factorization.

18034106897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 47.

The spelling of 18034106897 in words is "eighteen billion, thirty-four million, one hundred six thousand, eight hundred ninety-seven".