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18456575341037 is a prime number
BaseRepresentation
bin1000011001001010000011…
…00111011111000111101101
32102100102122110200010111212
410030211001213133013231
54404343031241403122
6103130500023124205
73613305066623021
oct414450147370755
972312573603455
1018456575341037
115976431688749
1220a10118a3665
13a3b5a846a172
1447b435678381
1522017052ace2
hex10c9419df1ed

18456575341037 has 2 divisors, whose sum is σ = 18456575341038. Its totient is φ = 18456575341036.

The previous prime is 18456575341027. The next prime is 18456575341103. The reversal of 18456575341037 is 73014357565481.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17757635868361 + 698939472676 = 4213981^2 + 836026^2 .

It is a cyclic number.

It is not a de Polignac number, because 18456575341037 - 210 = 18456575340013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18456575341027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9228287670518 + 9228287670519.

It is an arithmetic number, because the mean of its divisors is an integer number (9228287670519).

Almost surely, 218456575341037 is an apocalyptic number.

It is an amenable number.

18456575341037 is a deficient number, since it is larger than the sum of its proper divisors (1).

18456575341037 is an equidigital number, since it uses as much as digits as its factorization.

18456575341037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336000, while the sum is 59.

The spelling of 18456575341037 in words is "eighteen trillion, four hundred fifty-six billion, five hundred seventy-five million, three hundred forty-one thousand, thirty-seven".