Base | Representation |
---|---|
bin | 100111101011100… |
… | …0101000010101011 |
3 | 10102210100200001222 |
4 | 1033113011002223 |
5 | 10211322400102 |
6 | 340041332255 |
7 | 44665065335 |
oct | 11727050253 |
9 | 3383320058 |
10 | 1331450027 |
11 | 623629126 |
12 | 311a9708b |
13 | 182ac9c6b |
14 | c8b8a455 |
15 | 7bd53aa2 |
hex | 4f5c50ab |
1331450027 has 2 divisors, whose sum is σ = 1331450028. Its totient is φ = 1331450026.
The previous prime is 1331450017. The next prime is 1331450077. The reversal of 1331450027 is 7200541331.
It is a weak prime.
It is an emirp because it is prime and its reverse (7200541331) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1331450027 - 210 = 1331449003 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1331449978 and 1331450005.
It is not a weakly prime, because it can be changed into another prime (1331450017) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665725013 + 665725014.
It is an arithmetic number, because the mean of its divisors is an integer number (665725014).
Almost surely, 21331450027 is an apocalyptic number.
1331450027 is a deficient number, since it is larger than the sum of its proper divisors (1).
1331450027 is an equidigital number, since it uses as much as digits as its factorization.
1331450027 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2520, while the sum is 26.
The square root of 1331450027 is about 36489.0398201981. The cubic root of 1331450027 is about 1100.1239604104.
Adding to 1331450027 its reverse (7200541331), we get a palindrome (8531991358).
The spelling of 1331450027 in words is "one billion, three hundred thirty-one million, four hundred fifty thousand, twenty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •