Base | Representation |
---|---|
bin | 111110110000101… |
… | …1110101101110000 |
3 | 12102202200020220002 |
4 | 1331201132231300 |
5 | 13303104203220 |
6 | 544545205132 |
7 | 103121045261 |
oct | 17541365560 |
9 | 5382606802 |
10 | 2105928560 |
11 | 99081832a |
12 | 4a93307a8 |
13 | 2773b5498 |
14 | 15d990968 |
15 | c4d38c75 |
hex | 7d85eb70 |
2105928560 has 40 divisors (see below), whose sum is σ = 4917341520. Its totient is φ = 838748672.
The previous prime is 2105928557. The next prime is 2105928581. The reversal of 2105928560 is 658295012.
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37850 + ... + 75129.
It is an arithmetic number, because the mean of its divisors is an integer number (122933538).
Almost surely, 22105928560 is an apocalyptic number.
2105928560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2105928560 is an abundant number, since it is smaller than the sum of its proper divisors (2811412960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2105928560 is a wasteful number, since it uses less digits than its factorization.
2105928560 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 113225 (or 113219 counting only the distinct ones).
The product of its (nonzero) digits is 43200, while the sum is 38.
The square root of 2105928560 is about 45890.3972525843. The cubic root of 2105928560 is about 1281.7831105783.
The spelling of 2105928560 in words is "two billion, one hundred five million, nine hundred twenty-eight thousand, five hundred sixty".
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