Base | Representation |
---|---|
bin | 100101100011110… |
… | …000100001010111 |
3 | 1121220200221220212 |
4 | 211203300201113 |
5 | 2242303141100 |
6 | 142305520035 |
7 | 21421010651 |
oct | 4543604127 |
9 | 1556627825 |
10 | 630130775 |
11 | 2a376863a |
12 | 15704301b |
13 | a0718261 |
14 | 5d98b6d1 |
15 | 3a4c0635 |
hex | 258f0857 |
630130775 has 12 divisors (see below), whose sum is σ = 781795200. Its totient is φ = 503825280.
The previous prime is 630130741. The next prime is 630130841. The reversal of 630130775 is 577031036.
It is not a de Polignac number, because 630130775 - 214 = 630114391 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47306 + ... + 59144.
It is an arithmetic number, because the mean of its divisors is an integer number (65149600).
Almost surely, 2630130775 is an apocalyptic number.
630130775 is a deficient number, since it is larger than the sum of its proper divisors (151664425).
630130775 is a wasteful number, since it uses less digits than its factorization.
630130775 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13978 (or 13973 counting only the distinct ones).
The product of its (nonzero) digits is 13230, while the sum is 32.
The square root of 630130775 is about 25102.4057612015. The cubic root of 630130775 is about 857.3212007537.
The spelling of 630130775 in words is "six hundred thirty million, one hundred thirty thousand, seven hundred seventy-five".
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