Base | Representation |
---|---|
bin | 111100001101000… |
… | …0100100000010101 |
3 | 12012210011201101212 |
4 | 1320122010200111 |
5 | 13114121200432 |
6 | 532241431205 |
7 | 101026365500 |
oct | 17032044025 |
9 | 5183151355 |
10 | 2020100117 |
11 | 947326132 |
12 | 48463b505 |
13 | 262694219 |
14 | 15240c137 |
15 | bc5332b2 |
hex | 78684815 |
2020100117 has 6 divisors (see below), whose sum is σ = 2349912438. Its totient is φ = 1731514344.
The previous prime is 2020100113. The next prime is 2020100119. The reversal of 2020100117 is 7110010202.
It can be written as a sum of positive squares in only one way, i.e., 1626831556 + 393268561 = 40334^2 + 19831^2 .
It is not a de Polignac number, because 2020100117 - 22 = 2020100113 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2020100111) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20613218 + ... + 20613315.
It is an arithmetic number, because the mean of its divisors is an integer number (391652073).
Almost surely, 22020100117 is an apocalyptic number.
It is an amenable number.
2020100117 is a deficient number, since it is larger than the sum of its proper divisors (329812321).
2020100117 is an equidigital number, since it uses as much as digits as its factorization.
2020100117 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41226547 (or 41226540 counting only the distinct ones).
The product of its (nonzero) digits is 28, while the sum is 14.
The square root of 2020100117 is about 44945.5238816948. The cubic root of 2020100117 is about 1264.1277487735.
Adding to 2020100117 its reverse (7110010202), we get a palindrome (9130110319).
The spelling of 2020100117 in words is "two billion, twenty million, one hundred thousand, one hundred seventeen".
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