Base | Representation |
---|---|
bin | 1100110010010011… |
… | …10110111011011110 |
3 | 122201101200222120210 |
4 | 12121021312323132 |
5 | 103024300400010 |
6 | 3053053153250 |
7 | 332051665221 |
oct | 63111667336 |
9 | 18641628523 |
10 | 6864465630 |
11 | 2a028a26a0 |
12 | 13b6a8b826 |
13 | 8552003a9 |
14 | 4919595b8 |
15 | 2a2995b20 |
hex | 199276ede |
6864465630 has 128 divisors (see below), whose sum is σ = 18314035200. Its totient is φ = 1632758400.
The previous prime is 6864465623. The next prime is 6864465659. The reversal of 6864465630 is 365644686.
It is a self number, because there is not a number n which added to its sum of digits gives 6864465630.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4665795 + ... + 4667265.
It is an arithmetic number, because the mean of its divisors is an integer number (143078400).
Almost surely, 26864465630 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 6864465630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9157017600).
6864465630 is an abundant number, since it is smaller than the sum of its proper divisors (11449569570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6864465630 is a wasteful number, since it uses less digits than its factorization.
6864465630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1750.
The product of its (nonzero) digits is 2488320, while the sum is 48.
The square root of 6864465630 is about 82852.0707647069. The cubic root of 6864465630 is about 1900.5045409853.
It can be divided in two parts, 68644656 and 30, that added together give a palindrome (68644686).
The spelling of 6864465630 in words is "six billion, eight hundred sixty-four million, four hundred sixty-five thousand, six hundred thirty".
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