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18157300589 is a prime number
BaseRepresentation
bin10000111010010000…
…100110101101101101
31201212102011102212102
4100322100212231231
5244141232104324
612201421544445
71211645336261
oct207220465555
951772142772
1018157300589
11777836074a
123628a15125
1319349b745c
14c436960a1
157140cadae
hex43a426b6d

18157300589 has 2 divisors, whose sum is σ = 18157300590. Its totient is φ = 18157300588.

The previous prime is 18157300571. The next prime is 18157300607. The reversal of 18157300589 is 98500375181.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (18157300571) and next prime (18157300607).

It can be written as a sum of positive squares in only one way, i.e., 11828302564 + 6328998025 = 108758^2 + 79555^2 .

It is a cyclic number.

It is not a de Polignac number, because 18157300589 - 232 = 13862333293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18157300559) 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, 9078650294 + 9078650295.

It is an arithmetic number, because the mean of its divisors is an integer number (9078650295).

Almost surely, 218157300589 is an apocalyptic number.

It is an amenable number.

18157300589 is a deficient number, since it is larger than the sum of its proper divisors (1).

18157300589 is an equidigital number, since it uses as much as digits as its factorization.

18157300589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 47.

The spelling of 18157300589 in words is "eighteen billion, one hundred fifty-seven million, three hundred thousand, five hundred eighty-nine".