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64286205427 is a prime number
BaseRepresentation
bin111011110111110000…
…011010010111110011
320010221012211121020101
4323313300122113303
52023124232033202
645311020253231
74434033505303
oct736760322763
9203835747211
1064286205427
11252999836a4
12105613a1217
1360a6759912
14317bc29603
151a13bae887
hexef7c1a5f3

64286205427 has 2 divisors, whose sum is σ = 64286205428. Its totient is φ = 64286205426.

The previous prime is 64286205353. The next prime is 64286205433. The reversal of 64286205427 is 72450268246.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64286205427 - 227 = 64151987699 is a prime.

It is not a weakly prime, because it can be changed into another prime (64286205437) 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, 32143102713 + 32143102714.

It is an arithmetic number, because the mean of its divisors is an integer number (32143102714).

Almost surely, 264286205427 is an apocalyptic number.

64286205427 is a deficient number, since it is larger than the sum of its proper divisors (1).

64286205427 is an equidigital number, since it uses as much as digits as its factorization.

64286205427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1290240, while the sum is 46.

The spelling of 64286205427 in words is "sixty-four billion, two hundred eighty-six million, two hundred five thousand, four hundred twenty-seven".