Base | Representation |
---|---|
bin | 111111000111101… |
… | …0000000010000100 |
3 | 12110121020211201101 |
4 | 1332033100002010 |
5 | 13314142131134 |
6 | 550054305444 |
7 | 103325040262 |
oct | 17617200204 |
9 | 5417224641 |
10 | 2117927044 |
11 | 997572a32 |
12 | 4b1358284 |
13 | 279a2688c |
14 | 1613d5432 |
15 | c5e08e14 |
hex | 7e3d0084 |
2117927044 has 12 divisors (see below), whose sum is σ = 3706728844. Its totient is φ = 1058861664.
The previous prime is 2117927041. The next prime is 2117927083. The reversal of 2117927044 is 4407297112.
It can be written as a sum of positive squares in 2 ways, for example, as 854977600 + 1262949444 = 29240^2 + 35538^2 .
It is a super-2 number, since 2×21179270442 = 8971229927413155872, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2117926994 and 2117927012.
It is not an unprimeable number, because it can be changed into a prime (2117927041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40042 + ... + 76414.
Almost surely, 22117927044 is an apocalyptic number.
It is an amenable number.
2117927044 is a deficient number, since it is larger than the sum of its proper divisors (1588801800).
2117927044 is a wasteful number, since it uses less digits than its factorization.
2117927044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50934 (or 50932 counting only the distinct ones).
The product of its (nonzero) digits is 28224, while the sum is 37.
The square root of 2117927044 is about 46020.9413636879. The cubic root of 2117927044 is about 1284.2128128479.
The spelling of 2117927044 in words is "two billion, one hundred seventeen million, nine hundred twenty-seven thousand, forty-four".
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