Base | Representation |
---|---|
bin | 101111001101100111001… |
… | …0000000111000111101000 |
3 | 211222022212212122201221021 |
4 | 1132123032100013013220 |
5 | 1322303141400300140 |
6 | 21444535213422224 |
7 | 1236543011000242 |
oct | 136331620070750 |
9 | 24868785581837 |
10 | 6488860946920 |
11 | 2081a01927460 |
12 | 88970249a974 |
13 | 380b87817bb1 |
14 | 1860c38a7092 |
15 | b3bcbc10b4a |
hex | 5e6ce4071e8 |
6488860946920 has 64 divisors (see below), whose sum is σ = 16864098523200. Its totient is φ = 2220786631680.
The previous prime is 6488860946873. The next prime is 6488860946927. The reversal of 6488860946920 is 296490688846.
It is a self number, because there is not a number n which added to its sum of digits gives 6488860946920.
It is not an unprimeable number, because it can be changed into a prime (6488860946927) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 433739910 + ... + 433754869.
It is an arithmetic number, because the mean of its divisors is an integer number (263501539425).
Almost surely, 26488860946920 is an apocalyptic number.
It is an amenable number.
6488860946920 is an abundant number, since it is smaller than the sum of its proper divisors (10375237576280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6488860946920 is a wasteful number, since it uses less digits than its factorization.
6488860946920 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 867494818 (or 867494814 counting only the distinct ones).
The product of its (nonzero) digits is 286654464, while the sum is 70.
The spelling of 6488860946920 in words is "six trillion, four hundred eighty-eight billion, eight hundred sixty million, nine hundred forty-six thousand, nine hundred twenty".
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