Base | Representation |
---|---|
bin | 1101101100000111100101… |
… | …01110111110101110110001 |
3 | 10221120211121222202010211001 |
4 | 12312003302232332232301 |
5 | 12421202330010242314 |
6 | 144005115354122001 |
7 | 6224612303253631 |
oct | 666036256765661 |
9 | 127524558663731 |
10 | 30103203212209 |
11 | 9656773473976 |
12 | 3462251a20301 |
13 | 13a494877361a |
14 | 7610079d06c1 |
15 | 3730c0348674 |
hex | 1b60f2bbebb1 |
30103203212209 has 2 divisors, whose sum is σ = 30103203212210. Its totient is φ = 30103203212208.
The previous prime is 30103203212207. The next prime is 30103203212237. The reversal of 30103203212209 is 90221230230103.
It is an a-pointer prime, because the next prime (30103203212237) can be obtained adding 30103203212209 to its sum of digits (28).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 18384199782400 + 11719003429809 = 4287680^2 + 3423303^2 .
It is a cyclic number.
It is not a de Polignac number, because 30103203212209 - 21 = 30103203212207 is a prime.
Together with 30103203212207, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (30103203212207) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15051601606104 + 15051601606105.
It is an arithmetic number, because the mean of its divisors is an integer number (15051601606105).
Almost surely, 230103203212209 is an apocalyptic number.
It is an amenable number.
30103203212209 is a deficient number, since it is larger than the sum of its proper divisors (1).
30103203212209 is an equidigital number, since it uses as much as digits as its factorization.
30103203212209 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3888, while the sum is 28.
The spelling of 30103203212209 in words is "thirty trillion, one hundred three billion, two hundred three million, two hundred twelve thousand, two hundred nine".
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