Base | Representation |
---|---|
bin | 111011110101001111… |
… | …100001001100101000 |
3 | 20010211021110202221212 |
4 | 323311033201030220 |
5 | 2023032432400300 |
6 | 45302512252252 |
7 | 4433012141522 |
oct | 736517411450 |
9 | 203737422855 |
10 | 64244028200 |
11 | 25278096290 |
12 | 1054b241088 |
13 | 609aab0091 |
14 | 31763aaa12 |
15 | 1a1012c935 |
hex | ef53e1328 |
64244028200 has 96 divisors (see below), whose sum is σ = 163041305760. Its totient is φ = 23347833600.
The previous prime is 64244028169. The next prime is 64244028209. The reversal of 64244028200 is 282044246.
It is not an unprimeable number, because it can be changed into a prime (64244028209) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4245047 + ... + 4260153.
It is an arithmetic number, because the mean of its divisors is an integer number (1698346935).
Almost surely, 264244028200 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 64244028200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81520652880).
64244028200 is an abundant number, since it is smaller than the sum of its proper divisors (98797277560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64244028200 is a wasteful number, since it uses less digits than its factorization.
64244028200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17067 (or 17058 counting only the distinct ones).
The product of its (nonzero) digits is 24576, while the sum is 32.
The spelling of 64244028200 in words is "sixty-four billion, two hundred forty-four million, twenty-eight thousand, two hundred".
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