Base | Representation |
---|---|
bin | 111111011111100… |
… | …1011111000000010 |
3 | 12111110220020212120 |
4 | 1332333023320002 |
5 | 13330401233210 |
6 | 551223505110 |
7 | 103536614436 |
oct | 17677137002 |
9 | 5443806776 |
10 | 2130492930 |
11 | 9a3675965 |
12 | 4b55b8196 |
13 | 27c506307 |
14 | 162d469c6 |
15 | c708c270 |
hex | 7efcbe02 |
2130492930 has 32 divisors (see below), whose sum is σ = 5251379904. Its totient is φ = 552776256.
The previous prime is 2130492929. The next prime is 2130493003. The reversal of 2130492930 is 392940312.
It is a junction number, because it is equal to n+sod(n) for n = 2130492891 and 2130492900.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 958572 + ... + 960791.
It is an arithmetic number, because the mean of its divisors is an integer number (164105622).
Almost surely, 22130492930 is an apocalyptic number.
2130492930 is an abundant number, since it is smaller than the sum of its proper divisors (3120886974).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2130492930 is a wasteful number, since it uses less digits than its factorization.
2130492930 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1919410.
The product of its (nonzero) digits is 11664, while the sum is 33.
The square root of 2130492930 is about 46157.2630254438. The cubic root of 2130492930 is about 1286.7475967094.
The spelling of 2130492930 in words is "two billion, one hundred thirty million, four hundred ninety-two thousand, nine hundred thirty".
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