Base | Representation |
---|---|
bin | 11000011100010010… |
… | …10001010101111001 |
3 | 1020212111202111111211 |
4 | 30032021101111321 |
5 | 203333241310431 |
6 | 10010034323121 |
7 | 643115654314 |
oct | 141611212571 |
9 | 36774674454 |
10 | 13122213241 |
11 | 5624169035 |
12 | 26627294a1 |
13 | 13117c2127 |
14 | 8c6a9d97b |
15 | 51c0432b1 |
hex | 30e251579 |
13122213241 has 2 divisors, whose sum is σ = 13122213242. Its totient is φ = 13122213240.
The previous prime is 13122213227. The next prime is 13122213263. The reversal of 13122213241 is 14231222131.
It is an a-pointer prime, because the next prime (13122213263) can be obtained adding 13122213241 to its sum of digits (22).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 12845955600 + 276257641 = 113340^2 + 16621^2 .
It is a cyclic number.
It is not a de Polignac number, because 13122213241 - 219 = 13121688953 is a prime.
It is not a weakly prime, because it can be changed into another prime (13122213271) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6561106620 + 6561106621.
It is an arithmetic number, because the mean of its divisors is an integer number (6561106621).
Almost surely, 213122213241 is an apocalyptic number.
It is an amenable number.
13122213241 is a deficient number, since it is larger than the sum of its proper divisors (1).
13122213241 is an equidigital number, since it uses as much as digits as its factorization.
13122213241 is an evil number, because the sum of its binary digits is even.
The product of its digits is 576, while the sum is 22.
Adding to 13122213241 its reverse (14231222131), we get a palindrome (27353435372).
The spelling of 13122213241 in words is "thirteen billion, one hundred twenty-two million, two hundred thirteen thousand, two hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.310 sec. • engine limits •