Base | Representation |
---|---|
bin | 111011110011011010… |
… | …010001111100000000 |
3 | 20010202010122100201120 |
4 | 323303122101330000 |
5 | 2023002100413343 |
6 | 45255453432240 |
7 | 4432160000103 |
oct | 736332217400 |
9 | 203663570646 |
10 | 64213294848 |
11 | 2526180491a |
12 | 10540a9b680 |
13 | 609460c371 |
14 | 317228a73a |
15 | 1a0c5ab683 |
hex | ef3691f00 |
64213294848 has 144 divisors (see below), whose sum is σ = 178835414016. Its totient is φ = 20429660160.
The previous prime is 64213294837. The next prime is 64213294867. The reversal of 64213294848 is 84849231246.
64213294848 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 64213294848.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1719511 + ... + 1756457.
Almost surely, 264213294848 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 64213294848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89417707008).
64213294848 is an abundant number, since it is smaller than the sum of its proper divisors (114622119168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64213294848 is a wasteful number, since it uses less digits than its factorization.
64213294848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37070 (or 37056 counting only the distinct ones).
The product of its digits is 2654208, while the sum is 51.
The spelling of 64213294848 in words is "sixty-four billion, two hundred thirteen million, two hundred ninety-four thousand, eight hundred forty-eight".
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