Base | Representation |
---|---|
bin | 111011110100111010… |
… | …011000110010000100 |
3 | 20010210220001100012111 |
4 | 323310322120302010 |
5 | 2023030023114313 |
6 | 45302153430404 |
7 | 4432614100432 |
oct | 736472306204 |
9 | 203726040174 |
10 | 64238488708 |
11 | 25274a52399 |
12 | 1054940b404 |
13 | 60998c0884 |
14 | 3175767d52 |
15 | 1a0e8d643d |
hex | ef4e98c84 |
64238488708 has 12 divisors (see below), whose sum is σ = 113680472220. Its totient is φ = 31758353792.
The previous prime is 64238488673. The next prime is 64238488711. The reversal of 64238488708 is 80788483246.
It is a happy number.
64238488708 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 45489211524 + 18749277184 = 213282^2 + 136928^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90222241 + ... + 90222952.
It is an arithmetic number, because the mean of its divisors is an integer number (9473372685).
Almost surely, 264238488708 is an apocalyptic number.
It is an amenable number.
64238488708 is a deficient number, since it is larger than the sum of its proper divisors (49441983512).
64238488708 is a wasteful number, since it uses less digits than its factorization.
64238488708 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 180445286 (or 180445284 counting only the distinct ones).
The product of its (nonzero) digits is 16515072, while the sum is 58.
The spelling of 64238488708 in words is "sixty-four billion, two hundred thirty-eight million, four hundred eighty-eight thousand, seven hundred eight".
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