Base | Representation |
---|---|
bin | 111100011111111… |
… | …1011100110100001 |
3 | 12020110211221221121 |
4 | 1320333323212201 |
5 | 13124141300441 |
6 | 533234252241 |
7 | 101206633405 |
oct | 17077734641 |
9 | 5213757847 |
10 | 2030025121 |
11 | 951994a13 |
12 | 487a27081 |
13 | 26475a8c7 |
14 | 153873105 |
15 | bd343dd1 |
hex | 78ffb9a1 |
2030025121 has 2 divisors, whose sum is σ = 2030025122. Its totient is φ = 2030025120.
The previous prime is 2030025089. The next prime is 2030025139. The reversal of 2030025121 is 1215200302.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1498077025 + 531948096 = 38705^2 + 23064^2 .
It is a cyclic number.
It is not a de Polignac number, because 2030025121 - 25 = 2030025089 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2030025095 and 2030025104.
It is not a weakly prime, because it can be changed into another prime (2030020121) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015012560 + 1015012561.
It is an arithmetic number, because the mean of its divisors is an integer number (1015012561).
Almost surely, 22030025121 is an apocalyptic number.
It is an amenable number.
2030025121 is a deficient number, since it is larger than the sum of its proper divisors (1).
2030025121 is an equidigital number, since it uses as much as digits as its factorization.
2030025121 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 120, while the sum is 16.
The square root of 2030025121 is about 45055.8000816765. The cubic root of 2030025121 is about 1266.1946399632.
Adding to 2030025121 its reverse (1215200302), we get a palindrome (3245225423).
The spelling of 2030025121 in words is "two billion, thirty million, twenty-five thousand, one hundred twenty-one".
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