Base | Representation |
---|---|
bin | 1100011010111011… |
… | …00111110101111000 |
3 | 122012201121202112021 |
4 | 12031131213311320 |
5 | 102124042220440 |
6 | 3021405124224 |
7 | 324150533350 |
oct | 61535476570 |
9 | 18181552467 |
10 | 6668320120 |
11 | 2912102670 |
12 | 1361259674 |
13 | 823695667 |
14 | 47389bb60 |
15 | 29064d84a |
hex | 18d767d78 |
6668320120 has 64 divisors (see below), whose sum is σ = 18705945600. Its totient is φ = 2078436480.
The previous prime is 6668320111. The next prime is 6668320157. The reversal of 6668320120 is 210238666.
It is a happy number.
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, 1079440 + ... + 1085599.
It is an arithmetic number, because the mean of its divisors is an integer number (292280400).
Almost surely, 26668320120 is an apocalyptic number.
It is an amenable number.
6668320120 is an abundant number, since it is smaller than the sum of its proper divisors (12037625480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6668320120 is a wasteful number, since it uses less digits than its factorization.
6668320120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2165068 (or 2165064 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 34.
The square root of 6668320120 is about 81659.7827574872. The cubic root of 6668320120 is about 1882.2276408162.
Adding to 6668320120 its reverse (210238666), we get a palindrome (6878558786).
The spelling of 6668320120 in words is "six billion, six hundred sixty-eight million, three hundred twenty thousand, one hundred twenty".
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