Base | Representation |
---|---|
bin | 111011110111110000… |
… | …011010010111110011 |
3 | 20010221012211121020101 |
4 | 323313300122113303 |
5 | 2023124232033202 |
6 | 45311020253231 |
7 | 4434033505303 |
oct | 736760322763 |
9 | 203835747211 |
10 | 64286205427 |
11 | 252999836a4 |
12 | 105613a1217 |
13 | 60a6759912 |
14 | 317bc29603 |
15 | 1a13bae887 |
hex | ef7c1a5f3 |
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".
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