Base | Representation |
---|---|
bin | 111100000100001… |
… | …0000011100001101 |
3 | 12012110101110202212 |
4 | 1320020100130031 |
5 | 13111422233123 |
6 | 531553400205 |
7 | 100641606263 |
oct | 17010203415 |
9 | 5173343685 |
10 | 2015430413 |
11 | 944726777 |
12 | 482b69065 |
13 | 26171a899 |
14 | 151954433 |
15 | bbe0e878 |
hex | 7821070d |
2015430413 has 2 divisors, whose sum is σ = 2015430414. Its totient is φ = 2015430412.
The previous prime is 2015430331. The next prime is 2015430421. The reversal of 2015430413 is 3140345102.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1498231849 + 517198564 = 38707^2 + 22742^2 .
It is a cyclic number.
It is not a de Polignac number, because 2015430413 - 222 = 2011236109 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2015430463) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1007715206 + 1007715207.
It is an arithmetic number, because the mean of its divisors is an integer number (1007715207).
Almost surely, 22015430413 is an apocalyptic number.
It is an amenable number.
2015430413 is a deficient number, since it is larger than the sum of its proper divisors (1).
2015430413 is an equidigital number, since it uses as much as digits as its factorization.
2015430413 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1440, while the sum is 23.
The square root of 2015430413 is about 44893.5453378323. The cubic root of 2015430413 is about 1263.1529362247.
Adding to 2015430413 its reverse (3140345102), we get a palindrome (5155775515).
The spelling of 2015430413 in words is "two billion, fifteen million, four hundred thirty thousand, four hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •