Search a number
-
+
30021113233 is a prime number
BaseRepresentation
bin11011111101011001…
…011101010110010001
32212111020000120021201
4123331121131112101
5442440401110413
621442544351201
72111644152316
oct337531352621
985436016251
1030021113233
1111806154791
12599a015501
132aa5878137
14164b182d0d
15baa8e99dd
hex6fd65d591

30021113233 has 2 divisors, whose sum is σ = 30021113234. Its totient is φ = 30021113232.

The previous prime is 30021113209. The next prime is 30021113281. The reversal of 30021113233 is 33231112003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29978498449 + 42614784 = 173143^2 + 6528^2 .

It is an emirp because it is prime and its reverse (33231112003) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30021113233 - 25 = 30021113201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30021113233.

It is not a weakly prime, because it can be changed into another prime (30021113333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15010556616 + 15010556617.

It is an arithmetic number, because the mean of its divisors is an integer number (15010556617).

Almost surely, 230021113233 is an apocalyptic number.

It is an amenable number.

30021113233 is a deficient number, since it is larger than the sum of its proper divisors (1).

30021113233 is an equidigital number, since it uses as much as digits as its factorization.

30021113233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 30021113233 its reverse (33231112003), we get a palindrome (63252225236).

The spelling of 30021113233 in words is "thirty billion, twenty-one million, one hundred thirteen thousand, two hundred thirty-three".