Base | Representation |
---|---|
bin | 110000010101011… |
… | …101101110001010 |
3 | 2002111220200010101 |
4 | 300111131232022 |
5 | 3130044330010 |
6 | 212245040014 |
7 | 26044550350 |
oct | 6025355612 |
9 | 2074820111 |
10 | 810933130 |
11 | 386829077 |
12 | 1a76b600a |
13 | cc0103b7 |
14 | 799b37d0 |
15 | 4b2d673a |
hex | 3055db8a |
810933130 has 32 divisors (see below), whose sum is σ = 1707007104. Its totient is φ = 271567296.
The previous prime is 810933121. The next prime is 810933131. The reversal of 810933130 is 31339018.
810933130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×8109331302 = 1315225082663193800, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (810933131) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131697 + ... + 137716.
It is an arithmetic number, because the mean of its divisors is an integer number (53343972).
Almost surely, 2810933130 is an apocalyptic number.
810933130 is an abundant number, since it is smaller than the sum of its proper divisors (896073974).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
810933130 is a wasteful number, since it uses less digits than its factorization.
810933130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 269470.
The product of its (nonzero) digits is 1944, while the sum is 28.
The square root of 810933130 is about 28476.8876459490. The cubic root of 810933130 is about 932.5275714379.
The spelling of 810933130 in words is "eight hundred ten million, nine hundred thirty-three thousand, one hundred thirty".
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