Base | Representation |
---|---|
bin | 1011101100000101… |
… | …0011100110010000 |
3 | 22002200002202021100 |
4 | 2323001103212100 |
5 | 22411221304213 |
6 | 1235203224400 |
7 | 140516566242 |
oct | 27301234620 |
9 | 8080082240 |
10 | 3137681808 |
11 | 1370159868 |
12 | 736978100 |
13 | 3b008c671 |
14 | 21aa06092 |
15 | 1356dd773 |
hex | bb053990 |
3137681808 has 60 divisors (see below), whose sum is σ = 8798811840. Its totient is φ = 1043790528.
The previous prime is 3137681791. The next prime is 3137681809. The reversal of 3137681808 is 8081867313.
It is not an unprimeable number, because it can be changed into a prime (3137681809) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50773 + ... + 94091.
It is an arithmetic number, because the mean of its divisors is an integer number (146646864).
Almost surely, 23137681808 is an apocalyptic number.
It is an amenable number.
3137681808 is an abundant number, since it is smaller than the sum of its proper divisors (5661130032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3137681808 is a wasteful number, since it uses less digits than its factorization.
3137681808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43836 (or 43827 counting only the distinct ones).
The product of its (nonzero) digits is 193536, while the sum is 45.
The square root of 3137681808 is about 56015.0141301419. The cubic root of 3137681808 is about 1463.9838975206.
The spelling of 3137681808 in words is "three billion, one hundred thirty-seven million, six hundred eighty-one thousand, eight hundred eight".
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