Base | Representation |
---|---|
bin | 11011000111111000111… |
… | …10000010011100000000 |
3 | 10022002112002211121111020 |
4 | 31203330132002130000 |
5 | 110232112324344142 |
6 | 1552044210145440 |
7 | 124221361660110 |
oct | 15437436023400 |
9 | 3262462747436 |
10 | 931948668672 |
11 | 32a2678004aa |
12 | 13074b882280 |
13 | 69b61795198 |
14 | 3316c567040 |
15 | 19397278cec |
hex | d8fc782700 |
931948668672 has 144 divisors (see below), whose sum is σ = 2911290719232. Its totient is φ = 259074478080.
The previous prime is 931948668569. The next prime is 931948668697. The reversal of 931948668672 is 276866849139.
It is a junction number, because it is equal to n+sod(n) for n = 931948668597 and 931948668606.
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, 2143704 + ... + 2541527.
Almost surely, 2931948668672 is an apocalyptic number.
It is an amenable number.
931948668672 is an abundant number, since it is smaller than the sum of its proper divisors (1979342050560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
931948668672 is a wasteful number, since it uses less digits than its factorization.
931948668672 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4685294 (or 4685280 counting only the distinct ones).
The product of its digits is 188116992, while the sum is 69.
The spelling of 931948668672 in words is "nine hundred thirty-one billion, nine hundred forty-eight million, six hundred sixty-eight thousand, six hundred seventy-two".
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