Base | Representation |
---|---|
bin | 1111100111011… |
… | …00001010101101 |
3 | 100010111000112211 |
4 | 13303230022231 |
5 | 232013201030 |
6 | 20555330421 |
7 | 3150255163 |
oct | 763541255 |
9 | 303430484 |
10 | 130990765 |
11 | 67a39334 |
12 | 37a50a11 |
13 | 211a4739 |
14 | 1357b233 |
15 | b77712a |
hex | 7cec2ad |
130990765 has 16 divisors (see below), whose sum is σ = 159389568. Its totient is φ = 103334976.
The previous prime is 130990759. The next prime is 130990789. The reversal of 130990765 is 567099031.
It is a cyclic number.
It is not a de Polignac number, because 130990765 - 213 = 130982573 is a prime.
It is a Duffinian number.
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, 178339 + ... + 179071.
It is an arithmetic number, because the mean of its divisors is an integer number (9961848).
Almost surely, 2130990765 is an apocalyptic number.
It is an amenable number.
130990765 is a deficient number, since it is larger than the sum of its proper divisors (28398803).
130990765 is a wasteful number, since it uses less digits than its factorization.
130990765 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1188.
The product of its (nonzero) digits is 51030, while the sum is 40.
The square root of 130990765 is about 11445.1197023011. The cubic root of 130990765 is about 507.8633731092.
The spelling of 130990765 in words is "one hundred thirty million, nine hundred ninety thousand, seven hundred sixty-five".
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