Base | Representation |
---|---|
bin | 100110101010011… |
… | …0010101001000101 |
3 | 10100102002110110211 |
4 | 1031110302221011 |
5 | 10124101432231 |
6 | 332421315421 |
7 | 44101555624 |
oct | 11524625105 |
9 | 3312073424 |
10 | 1297295941 |
11 | 606320707 |
12 | 302565b71 |
13 | 1789cc246 |
14 | c44196bb |
15 | 78d58eb1 |
hex | 4d532a45 |
1297295941 has 2 divisors, whose sum is σ = 1297295942. Its totient is φ = 1297295940.
The previous prime is 1297295929. The next prime is 1297296017. The reversal of 1297295941 is 1495927921.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1272991041 + 24304900 = 35679^2 + 4930^2 .
It is an emirp because it is prime and its reverse (1495927921) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1297295941 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1297295911) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 648647970 + 648647971.
It is an arithmetic number, because the mean of its divisors is an integer number (648647971).
Almost surely, 21297295941 is an apocalyptic number.
It is an amenable number.
1297295941 is a deficient number, since it is larger than the sum of its proper divisors (1).
1297295941 is an equidigital number, since it uses as much as digits as its factorization.
1297295941 is an evil number, because the sum of its binary digits is even.
The product of its digits is 408240, while the sum is 49.
The square root of 1297295941 is about 36017.9946832136. The cubic root of 1297295941 is about 1090.6356422100.
The spelling of 1297295941 in words is "one billion, two hundred ninety-seven million, two hundred ninety-five thousand, nine hundred forty-one".
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