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13618472027 is a prime number
BaseRepresentation
bin11001010111011100…
…10110010001011011
31022011002120001120212
430223232112101123
5210342312101102
610131203041335
7661323050036
oct145356262133
938132501525
1013618472027
1158592aa666
12278097024b
131390567394
1493296001d
1554a8bcc52
hex32bb9645b

13618472027 has 2 divisors, whose sum is σ = 13618472028. Its totient is φ = 13618472026.

The previous prime is 13618471967. The next prime is 13618472029. The reversal of 13618472027 is 72027481631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13618472027 - 212 = 13618467931 is a prime.

Together with 13618472029, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13618472029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6809236013 + 6809236014.

It is an arithmetic number, because the mean of its divisors is an integer number (6809236014).

Almost surely, 213618472027 is an apocalyptic number.

13618472027 is a deficient number, since it is larger than the sum of its proper divisors (1).

13618472027 is an equidigital number, since it uses as much as digits as its factorization.

13618472027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 41.

The spelling of 13618472027 in words is "thirteen billion, six hundred eighteen million, four hundred seventy-two thousand, twenty-seven".