Base | Representation |
---|---|
bin | 1101101111010001… |
… | …0000001011011000 |
3 | 100112000110010210021 |
4 | 3123310100023120 |
5 | 30023101024211 |
6 | 1405540400224 |
7 | 160250462350 |
oct | 33364201330 |
9 | 10460403707 |
10 | 3687908056 |
11 | 16228009a8 |
12 | 86b0a6074 |
13 | 46a07bb21 |
14 | 26db13b60 |
15 | 168b78771 |
hex | dbd102d8 |
3687908056 has 128 divisors (see below), whose sum is σ = 9093427200. Its totient is φ = 1363599360.
The previous prime is 3687908033. The next prime is 3687908083. The reversal of 3687908056 is 6508097863.
It is a junction number, because it is equal to n+sod(n) for n = 3687907994 and 3687908012.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 557440 + ... + 564016.
It is an arithmetic number, because the mean of its divisors is an integer number (71042400).
Almost surely, 23687908056 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 3687908056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4546713600).
3687908056 is an abundant number, since it is smaller than the sum of its proper divisors (5405519144).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3687908056 is a wasteful number, since it uses less digits than its factorization.
3687908056 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6657 (or 6653 counting only the distinct ones).
The product of its (nonzero) digits is 2177280, while the sum is 52.
The square root of 3687908056 is about 60728.1487944429. The cubic root of 3687908056 is about 1544.9936365437.
The spelling of 3687908056 in words is "three billion, six hundred eighty-seven million, nine hundred eight thousand, fifty-six".
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