Search a number
-
+
30229725989 is a prime number
BaseRepresentation
bin11100001001110101…
…010000001100100101
32220000202120012012002
4130021311100030211
5443402302212424
621515355535045
72120056300631
oct341165201445
986022505162
1030229725989
111190298a621
125a37a5a485
132b09b59738
14166ab67dc1
15bbdda5cae
hex709d50325

30229725989 has 2 divisors, whose sum is σ = 30229725990. Its totient is φ = 30229725988.

The previous prime is 30229725893. The next prime is 30229725991. The reversal of 30229725989 is 98952792203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15985303489 + 14244422500 = 126433^2 + 119350^2 .

It is a cyclic number.

It is not a de Polignac number, because 30229725989 - 216 = 30229660453 is a prime.

Together with 30229725991, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33229725989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15114862994 + 15114862995.

It is an arithmetic number, because the mean of its divisors is an integer number (15114862995).

Almost surely, 230229725989 is an apocalyptic number.

It is an amenable number.

30229725989 is a deficient number, since it is larger than the sum of its proper divisors (1).

30229725989 is an equidigital number, since it uses as much as digits as its factorization.

30229725989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4898880, while the sum is 56.

The spelling of 30229725989 in words is "thirty billion, two hundred twenty-nine million, seven hundred twenty-five thousand, nine hundred eighty-nine".