Base | Representation |
---|---|
bin | 1001011000110101… |
… | …1101111111101011 |
3 | 20111122001000022101 |
4 | 2112031131333223 |
5 | 20130122110011 |
6 | 1054022434231 |
7 | 116310415414 |
oct | 22615357753 |
9 | 6448030271 |
10 | 2520113131 |
11 | 10835a1328 |
12 | 5a3b92977 |
13 | 312152203 |
14 | 19c9a880b |
15 | eb3a02c1 |
hex | 9635dfeb |
2520113131 has 2 divisors, whose sum is σ = 2520113132. Its totient is φ = 2520113130.
The previous prime is 2520113129. The next prime is 2520113161. The reversal of 2520113131 is 1313110252.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2520113131 - 21 = 2520113129 is a prime.
It is a super-2 number, since 2×25201131312 = 12701940386077246322, which contains 22 as substring.
Together with 2520113129, it forms a pair of twin primes.
It is a junction number, because it is equal to n+sod(n) for n = 2520113099 and 2520113108.
It is not a weakly prime, because it can be changed into another prime (2520113161) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260056565 + 1260056566.
It is an arithmetic number, because the mean of its divisors is an integer number (1260056566).
Almost surely, 22520113131 is an apocalyptic number.
2520113131 is a deficient number, since it is larger than the sum of its proper divisors (1).
2520113131 is an equidigital number, since it uses as much as digits as its factorization.
2520113131 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 180, while the sum is 19.
The square root of 2520113131 is about 50200.7283911299. The cubic root of 2520113131 is about 1360.8387867416.
Adding to 2520113131 its reverse (1313110252), we get a palindrome (3833223383).
The spelling of 2520113131 in words is "two billion, five hundred twenty million, one hundred thirteen thousand, one hundred thirty-one".
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