Base | Representation |
---|---|
bin | 100110011000111… |
… | …0100001001000001 |
3 | 10022202211122002221 |
4 | 1030301310021001 |
5 | 10114230031131 |
6 | 331453011041 |
7 | 43630620265 |
oct | 11461641101 |
9 | 3282748087 |
10 | 1288127041 |
11 | 601128a03 |
12 | 2bb483a81 |
13 | 176b3ba66 |
14 | c31100a5 |
15 | 78147411 |
hex | 4cc74241 |
1288127041 has 2 divisors, whose sum is σ = 1288127042. Its totient is φ = 1288127040.
The previous prime is 1288127023. The next prime is 1288127047. The reversal of 1288127041 is 1407218821.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1285939600 + 2187441 = 35860^2 + 1479^2 .
It is a cyclic number.
It is not a de Polignac number, because 1288127041 - 219 = 1287602753 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1288126988 and 1288127006.
It is not a weakly prime, because it can be changed into another prime (1288127047) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 644063520 + 644063521.
It is an arithmetic number, because the mean of its divisors is an integer number (644063521).
Almost surely, 21288127041 is an apocalyptic number.
It is an amenable number.
1288127041 is a deficient number, since it is larger than the sum of its proper divisors (1).
1288127041 is an equidigital number, since it uses as much as digits as its factorization.
1288127041 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 7168, while the sum is 34.
The square root of 1288127041 is about 35890.4867757460. The cubic root of 1288127041 is about 1088.0601360869.
The spelling of 1288127041 in words is "one billion, two hundred eighty-eight million, one hundred twenty-seven thousand, forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •