Base | Representation |
---|---|
bin | 1100011011000001… |
… | …01101110000000000 |
3 | 122012210010221111200 |
4 | 12031200231300000 |
5 | 102124244141002 |
6 | 3021434341200 |
7 | 324160450614 |
oct | 61540556000 |
9 | 18183127450 |
10 | 6669130752 |
11 | 2912606709 |
12 | 136158a800 |
13 | 8238ba61b |
14 | 473a2d344 |
15 | 29075db1c |
hex | 18d82dc00 |
6669130752 has 132 divisors (see below), whose sum is σ = 19705977720. Its totient is φ = 2171215872.
The previous prime is 6669130691. The next prime is 6669130799. The reversal of 6669130752 is 2570319666.
It is a junction number, because it is equal to n+sod(n) for n = 6669130698 and 6669130707.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 387874 + ... + 404702.
It is an arithmetic number, because the mean of its divisors is an integer number (149287710).
Almost surely, 26669130752 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 6669130752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9852988860).
6669130752 is an abundant number, since it is smaller than the sum of its proper divisors (13036846968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6669130752 is a wasteful number, since it uses less digits than its factorization.
6669130752 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16898 (or 16877 counting only the distinct ones).
The product of its (nonzero) digits is 408240, while the sum is 45.
The square root of 6669130752 is about 81664.7460780966. The cubic root of 6669130752 is about 1882.3039085071.
The spelling of 6669130752 in words is "six billion, six hundred sixty-nine million, one hundred thirty thousand, seven hundred fifty-two".
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