Base | Representation |
---|---|
bin | 1011101010011011… |
… | …1111111111101000 |
3 | 22002012010101200110 |
4 | 2322212333333220 |
5 | 22402440121033 |
6 | 1234355334320 |
7 | 140404145205 |
oct | 27246777750 |
9 | 8065111613 |
10 | 3130785768 |
11 | 1367279760 |
12 | 7345b13a0 |
13 | 3ab816876 |
14 | 219b2ccac |
15 | 134cca363 |
hex | ba9bffe8 |
3130785768 has 64 divisors (see below), whose sum is σ = 8603781120. Its totient is φ = 941470400.
The previous prime is 3130785727. The next prime is 3130785793. The reversal of 3130785768 is 8675870313.
It is a super-2 number, since 2×31307857682 = 19603639050222699648, which contains 22 as substring.
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, 10680 + ... + 79847.
It is an arithmetic number, because the mean of its divisors is an integer number (134434080).
Almost surely, 23130785768 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 3130785768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4301890560).
3130785768 is an abundant number, since it is smaller than the sum of its proper divisors (5472995352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3130785768 is a wasteful number, since it uses less digits than its factorization.
3130785768 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90678 (or 90674 counting only the distinct ones).
The product of its (nonzero) digits is 846720, while the sum is 48.
The square root of 3130785768 is about 55953.4249890031. The cubic root of 3130785768 is about 1462.9105895469.
The spelling of 3130785768 in words is "three billion, one hundred thirty million, seven hundred eighty-five thousand, seven hundred sixty-eight".
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