Base | Representation |
---|---|
bin | 111110101111001… |
… | …0101101101001110 |
3 | 12102201010102111101 |
4 | 1331132111231032 |
5 | 13302401331410 |
6 | 544515413314 |
7 | 103111046014 |
oct | 17536255516 |
9 | 5381112441 |
10 | 2105105230 |
11 | 990305798 |
12 | 4a8bb423a |
13 | 2771877c7 |
14 | 15d8188b4 |
15 | c4c24d3a |
hex | 7d795b4e |
2105105230 has 32 divisors (see below), whose sum is σ = 3896242560. Its totient is φ = 818407680.
The previous prime is 2105105203. The next prime is 2105105279. The reversal of 2105105230 is 325015012.
It is a junction number, because it is equal to n+sod(n) for n = 2105105198 and 2105105207.
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, 100747 + ... + 119833.
It is an arithmetic number, because the mean of its divisors is an integer number (121757580).
Almost surely, 22105105230 is an apocalyptic number.
2105105230 is a deficient number, since it is larger than the sum of its proper divisors (1791137330).
2105105230 is a wasteful number, since it uses less digits than its factorization.
2105105230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19404.
The product of its (nonzero) digits is 300, while the sum is 19.
The square root of 2105105230 is about 45881.4257625022. The cubic root of 2105105230 is about 1281.6160476069.
The spelling of 2105105230 in words is "two billion, one hundred five million, one hundred five thousand, two hundred thirty".
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