Base | Representation |
---|---|
bin | 111011101011101110… |
… | …110001010100000000 |
3 | 20010102011012021210001 |
4 | 323223232301110000 |
5 | 2022221104323022 |
6 | 45235012045344 |
7 | 4426033552600 |
oct | 735356612400 |
9 | 203364167701 |
10 | 64084448512 |
11 | 251a6000747 |
12 | 10505903854 |
13 | 6073a08a26 |
14 | 315d10ac00 |
15 | 1a01109b27 |
hex | eebbb1500 |
64084448512 has 54 divisors (see below), whose sum is σ = 148803260298. Its totient is φ = 27464758272.
The previous prime is 64084448507. The next prime is 64084448513. The reversal of 64084448512 is 21584448046.
64084448512 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 only one way, i.e., 41459475456 + 22624973056 = 203616^2 + 150416^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64084448513) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2541843 + ... + 2566930.
Almost surely, 264084448512 is an apocalyptic number.
It is an amenable number.
64084448512 is an abundant number, since it is smaller than the sum of its proper divisors (84718811786).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64084448512 is an equidigital number, since it uses as much as digits as its factorization.
64084448512 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5108803 (or 5108782 counting only the distinct ones).
The product of its (nonzero) digits is 983040, while the sum is 46.
The spelling of 64084448512 in words is "sixty-four billion, eighty-four million, four hundred forty-eight thousand, five hundred twelve".
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