Base | Representation |
---|---|
bin | 111110110000101… |
… | …1110100111100000 |
3 | 12102202200020100021 |
4 | 1331201132213200 |
5 | 13303104200120 |
6 | 544545203224 |
7 | 103121044150 |
oct | 17541364740 |
9 | 5382606307 |
10 | 2105928160 |
11 | 990817aa6 |
12 | 4a9330514 |
13 | 2773b524b |
14 | 15d990760 |
15 | c4d38aaa |
hex | 7d85e9e0 |
2105928160 has 144 divisors (see below), whose sum is σ = 5782680288. Its totient is φ = 709954560.
The previous prime is 2105928157. The next prime is 2105928173. The reversal of 2105928160 is 618295012.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5645734 + ... + 5646106.
It is an arithmetic number, because the mean of its divisors is an integer number (40157502).
Almost surely, 22105928160 is an apocalyptic number.
2105928160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2105928160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2891340144).
2105928160 is an abundant number, since it is smaller than the sum of its proper divisors (3676752128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2105928160 is an equidigital number, since it uses as much as digits as its factorization.
2105928160 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 537 (or 458 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 34.
The square root of 2105928160 is about 45890.3928943739. The cubic root of 2105928160 is about 1281.7830294244.
The spelling of 2105928160 in words is "two billion, one hundred five million, nine hundred twenty-eight thousand, one hundred sixty".
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