Base | Representation |
---|---|
bin | 1001010101010011… |
… | …0011011011010011 |
3 | 20110121002022212112 |
4 | 2111110303123103 |
5 | 20112321234312 |
6 | 1052332215535 |
7 | 116040230150 |
oct | 22524633323 |
9 | 6417068775 |
10 | 2505258707 |
11 | 1076175a46 |
12 | 59b00a5ab |
13 | 30c050c03 |
14 | 19aa1d227 |
15 | e9e18d22 |
hex | 955336d3 |
2505258707 has 16 divisors (see below), whose sum is σ = 2999642112. Its totient is φ = 2047066560.
The previous prime is 2505258677. The next prime is 2505258713. The reversal of 2505258707 is 7078525052.
2505258707 is nontrivially palindromic in base 13.
It is not a de Polignac number, because 2505258707 - 28 = 2505258451 is a prime.
It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2505258787) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71618 + ... + 100695.
It is an arithmetic number, because the mean of its divisors is an integer number (187477632).
Almost surely, 22505258707 is an apocalyptic number.
2505258707 is a deficient number, since it is larger than the sum of its proper divisors (494383405).
2505258707 is a wasteful number, since it uses less digits than its factorization.
2505258707 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 172418.
The product of its (nonzero) digits is 196000, while the sum is 41.
The square root of 2505258707 is about 50052.5594450474. The cubic root of 2505258707 is about 1358.1597636308.
The spelling of 2505258707 in words is "two billion, five hundred five million, two hundred fifty-eight thousand, seven hundred seven".
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