Search a number
-
+
30221412239 is a prime number
BaseRepresentation
bin11100001001010101…
…100010011110001111
32220000011220210212102
4130021111202132033
5443343140142424
621514501425315
72116625523404
oct341125423617
986004823772
1030221412239
11118a9221357
125a3510b23b
132b08208565
141669a022ab
15bbd2b27ae
hex70956278f

30221412239 has 2 divisors, whose sum is σ = 30221412240. Its totient is φ = 30221412238.

The previous prime is 30221412223. The next prime is 30221412241. The reversal of 30221412239 is 93221412203.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30221412239 - 24 = 30221412223 is a prime.

It is a Sophie Germain prime.

Together with 30221412241, 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 (30221412209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15110706119 + 15110706120.

It is an arithmetic number, because the mean of its divisors is an integer number (15110706120).

Almost surely, 230221412239 is an apocalyptic number.

30221412239 is a deficient number, since it is larger than the sum of its proper divisors (1).

30221412239 is an equidigital number, since it uses as much as digits as its factorization.

30221412239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 30221412239 in words is "thirty billion, two hundred twenty-one million, four hundred twelve thousand, two hundred thirty-nine".