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30224442121 = 118725462883
BaseRepresentation
bin11100001001100001…
…000110001100001001
32220000101121202002021
4130021201012030021
5443344424121441
621515050404441
72116663343026
oct341141061411
986011552067
1030224442121
11118aaa00795
125a36130721
132b08a296a3
14166a19054d
15bbd6b03d1
hex709846309

30224442121 has 4 divisors (see below), whose sum is σ = 30249906192. Its totient is φ = 30198978052.

The previous prime is 30224442119. The next prime is 30224442151. The reversal of 30224442121 is 12124442203.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30224442121 - 21 = 30224442119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30224442151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12730255 + ... + 12732628.

It is an arithmetic number, because the mean of its divisors is an integer number (7562476548).

Almost surely, 230224442121 is an apocalyptic number.

It is an amenable number.

30224442121 is a deficient number, since it is larger than the sum of its proper divisors (25464071).

30224442121 is a wasteful number, since it uses less digits than its factorization.

30224442121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25464070.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 30224442121 its reverse (12124442203), we get a palindrome (42348884324).

The spelling of 30224442121 in words is "thirty billion, two hundred twenty-four million, four hundred forty-two thousand, one hundred twenty-one".

Divisors: 1 1187 25462883 30224442121