Base | Representation |
---|---|
bin | 1001011110010101… |
… | …1001001100010011 |
3 | 20120020102000121001 |
4 | 2113211121030103 |
5 | 20202022142011 |
6 | 1100204442431 |
7 | 120010343566 |
oct | 22745311423 |
9 | 6506360531 |
10 | 2543162131 |
11 | 1095604394 |
12 | 5ab849417 |
13 | 316b62383 |
14 | 1a1a884dd |
15 | ed4047c1 |
hex | 97959313 |
2543162131 has 2 divisors, whose sum is σ = 2543162132. Its totient is φ = 2543162130.
The previous prime is 2543162087. The next prime is 2543162189. The reversal of 2543162131 is 1312613452.
2543162131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2543162131 - 213 = 2543153939 is a prime.
It is a super-2 number, since 2×25431621312 = 12935347249104922322, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 2543162131.
It is not a weakly prime, because it can be changed into another prime (2543162191) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271581065 + 1271581066.
It is an arithmetic number, because the mean of its divisors is an integer number (1271581066).
Almost surely, 22543162131 is an apocalyptic number.
2543162131 is a deficient number, since it is larger than the sum of its proper divisors (1).
2543162131 is an equidigital number, since it uses as much as digits as its factorization.
2543162131 is an evil number, because the sum of its binary digits is even.
The product of its digits is 4320, while the sum is 28.
The square root of 2543162131 is about 50429.7742509324. The cubic root of 2543162131 is about 1364.9749544350.
Adding to 2543162131 its reverse (1312613452), we get a palindrome (3855775583).
The spelling of 2543162131 in words is "two billion, five hundred forty-three million, one hundred sixty-two thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •