Search a number
-
+
30103203212209 is a prime number
BaseRepresentation
bin1101101100000111100101…
…01110111110101110110001
310221120211121222202010211001
412312003302232332232301
512421202330010242314
6144005115354122001
76224612303253631
oct666036256765661
9127524558663731
1030103203212209
119656773473976
123462251a20301
1313a494877361a
147610079d06c1
153730c0348674
hex1b60f2bbebb1

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".