Base | Representation |
---|---|
bin | 1001011000111100… |
… | …0101111011111001 |
3 | 20111122211122022121 |
4 | 2112033011323321 |
5 | 20130224220443 |
6 | 1054035521241 |
7 | 116314140556 |
oct | 22617057371 |
9 | 6448748277 |
10 | 2520538873 |
11 | 1083862186 |
12 | 5a4159221 |
13 | 312270c28 |
14 | 19ca79a2d |
15 | eb4364ed |
hex | 963c5ef9 |
2520538873 has 2 divisors, whose sum is σ = 2520538874. Its totient is φ = 2520538872.
The previous prime is 2520538871. The next prime is 2520538883. The reversal of 2520538873 is 3788350252.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2145264489 + 375274384 = 46317^2 + 19372^2 .
It is a cyclic number.
It is not a de Polignac number, because 2520538873 - 21 = 2520538871 is a prime.
It is a super-2 number, since 2×25205388732 = 12706232420608220258, which contains 22 as substring.
Together with 2520538871, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (2520538871) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260269436 + 1260269437.
It is an arithmetic number, because the mean of its divisors is an integer number (1260269437).
Almost surely, 22520538873 is an apocalyptic number.
It is an amenable number.
2520538873 is a deficient number, since it is larger than the sum of its proper divisors (1).
2520538873 is an equidigital number, since it uses as much as digits as its factorization.
2520538873 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 403200, while the sum is 43.
The square root of 2520538873 is about 50204.9686086945. The cubic root of 2520538873 is about 1360.9154147307.
The spelling of 2520538873 in words is "two billion, five hundred twenty million, five hundred thirty-eight thousand, eight hundred seventy-three".
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