Base | Representation |
---|---|
bin | 100111001010100… |
… | …0001001010101001 |
3 | 10101120202212002121 |
4 | 1032111001022221 |
5 | 10142404221044 |
6 | 334222231241 |
7 | 44364641344 |
oct | 11625011251 |
9 | 3346685077 |
10 | 1314132649 |
11 | 614880345 |
12 | 308125521 |
13 | 17c3458ab |
14 | c675d45b |
15 | 7a582984 |
hex | 4e5412a9 |
1314132649 has 2 divisors, whose sum is σ = 1314132650. Its totient is φ = 1314132648.
The previous prime is 1314132647. The next prime is 1314132661. The reversal of 1314132649 is 9462314131.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1313555049 + 577600 = 36243^2 + 760^2 .
It is a cyclic number.
It is not a de Polignac number, because 1314132649 - 21 = 1314132647 is a prime.
Together with 1314132647, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (1314132647) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657066324 + 657066325.
It is an arithmetic number, because the mean of its divisors is an integer number (657066325).
Almost surely, 21314132649 is an apocalyptic number.
It is an amenable number.
1314132649 is a deficient number, since it is larger than the sum of its proper divisors (1).
1314132649 is an equidigital number, since it uses as much as digits as its factorization.
1314132649 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 15552, while the sum is 34.
The square root of 1314132649 is about 36250.9675595011. The cubic root of 1314132649 is about 1095.3335789287. Note that the first 3 decimals are identical.
The spelling of 1314132649 in words is "one billion, three hundred fourteen million, one hundred thirty-two thousand, six hundred forty-nine".
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