Base | Representation |
---|---|
bin | 111110110000001… |
… | …0011111010110001 |
3 | 12102202002200122011 |
4 | 1331200103322301 |
5 | 13303014402233 |
6 | 544534442521 |
7 | 103115331133 |
oct | 17540237261 |
9 | 5382080564 |
10 | 2105622193 |
11 | 990629134 |
12 | 4a9203441 |
13 | 277308bbc |
14 | 15d911053 |
15 | c4cc80cd |
hex | 7d813eb1 |
2105622193 has 16 divisors (see below), whose sum is σ = 2329240320. Its totient is φ = 1893298176.
The previous prime is 2105622191. The next prime is 2105622203. The reversal of 2105622193 is 3912265012.
It is not a de Polignac number, because 2105622193 - 21 = 2105622191 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2105622191) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 375313 + ... + 380881.
It is an arithmetic number, because the mean of its divisors is an integer number (145577520).
Almost surely, 22105622193 is an apocalyptic number.
2105622193 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
It is an amenable number.
2105622193 is a deficient number, since it is larger than the sum of its proper divisors (223618127).
2105622193 is a wasteful number, since it uses less digits than its factorization.
2105622193 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6576.
The product of its (nonzero) digits is 6480, while the sum is 31.
The square root of 2105622193 is about 45887.0591016683. The cubic root of 2105622193 is about 1281.7209503357.
The spelling of 2105622193 in words is "two billion, one hundred five million, six hundred twenty-two thousand, one hundred ninety-three".
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