Base | Representation |
---|---|
bin | 111100010101011… |
… | …001111011110101 |
3 | 2121112201100000102 |
4 | 330111121323311 |
5 | 4033113303323 |
6 | 244235523445 |
7 | 34040635211 |
oct | 7425317365 |
9 | 2545640012 |
10 | 1012244213 |
11 | 47a427072 |
12 | 242bb9585 |
13 | 131936396 |
14 | 98617941 |
15 | 5dcee328 |
hex | 3c559ef5 |
1012244213 has 2 divisors, whose sum is σ = 1012244214. Its totient is φ = 1012244212.
The previous prime is 1012244201. The next prime is 1012244221. The reversal of 1012244213 is 3124422101.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 698174929 + 314069284 = 26423^2 + 17722^2 .
It is a cyclic number.
It is not a de Polignac number, because 1012244213 - 214 = 1012227829 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1012244713) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506122106 + 506122107.
It is an arithmetic number, because the mean of its divisors is an integer number (506122107).
Almost surely, 21012244213 is an apocalyptic number.
It is an amenable number.
1012244213 is a deficient number, since it is larger than the sum of its proper divisors (1).
1012244213 is an equidigital number, since it uses as much as digits as its factorization.
1012244213 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 384, while the sum is 20.
The square root of 1012244213 is about 31815.7855945755. The cubic root of 1012244213 is about 1004.0648588677.
Adding to 1012244213 its reverse (3124422101), we get a palindrome (4136666314).
The spelling of 1012244213 in words is "one billion, twelve million, two hundred forty-four thousand, two hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •