Base | Representation |
---|---|
bin | 1001011000111011… |
… | …1111101000000111 |
3 | 20111122210022212111 |
4 | 2112032333220013 |
5 | 20130222404111 |
6 | 1054035201451 |
7 | 116314002331 |
oct | 22616775007 |
9 | 6448708774 |
10 | 2520513031 |
11 | 1083844823 |
12 | 5a4146287 |
13 | 31226223a |
14 | 19ca70451 |
15 | eb42da21 |
hex | 963bfa07 |
2520513031 has 2 divisors, whose sum is σ = 2520513032. Its totient is φ = 2520513030.
The previous prime is 2520513013. The next prime is 2520513043. The reversal of 2520513031 is 1303150252.
Together with previous prime (2520513013) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2520513031 - 219 = 2519988743 is a prime.
It is a super-2 number, since 2×25205130312 = 12705971878881613922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2520512993 and 2520513011.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2520513071) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260256515 + 1260256516.
It is an arithmetic number, because the mean of its divisors is an integer number (1260256516).
Almost surely, 22520513031 is an apocalyptic number.
2520513031 is a deficient number, since it is larger than the sum of its proper divisors (1).
2520513031 is an equidigital number, since it uses as much as digits as its factorization.
2520513031 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 900, while the sum is 22.
The square root of 2520513031 is about 50204.7112430696. The cubic root of 2520513031 is about 1360.9107637548.
Adding to 2520513031 its reverse (1303150252), we get a palindrome (3823663283).
The spelling of 2520513031 in words is "two billion, five hundred twenty million, five hundred thirteen thousand, thirty-one".
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