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18496442379227 is a prime number
BaseRepresentation
bin1000011010010100010011…
…11000001010101111011011
32102111020112212112111200212
410031022021320022233123
54411021203222113402
6103201052012121335
73616216041066041
oct415121170125733
972436485474625
1018496442379227
11599132a58159a
1220a889916624b
13a4228cb07aa7
1447d338314391
152212054eb952
hex10d289e0abdb

18496442379227 has 2 divisors, whose sum is σ = 18496442379228. Its totient is φ = 18496442379226.

The previous prime is 18496442379211. The next prime is 18496442379257. The reversal of 18496442379227 is 72297324469481.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18496442379227 - 24 = 18496442379211 is a prime.

It is a super-2 number, since 2×184964423792272 (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (18496442379257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9248221189613 + 9248221189614.

It is an arithmetic number, because the mean of its divisors is an integer number (9248221189614).

Almost surely, 218496442379227 is an apocalyptic number.

18496442379227 is a deficient number, since it is larger than the sum of its proper divisors (1).

18496442379227 is an equidigital number, since it uses as much as digits as its factorization.

18496442379227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 292626432, while the sum is 68.

The spelling of 18496442379227 in words is "eighteen trillion, four hundred ninety-six billion, four hundred forty-two million, three hundred seventy-nine thousand, two hundred twenty-seven".