Search a number
-
+
30224113021 = 146532062657
BaseRepresentation
bin11100001001011111…
…110101110101111101
32220000101000000122101
4130021133311311331
5443344333104041
621515035345101
72116660502404
oct341137656575
986011000571
1030224113021
11118aa7a6503
125a35bb2191
132b0894295b
14166a10663b
15bbd647b31
hex7097f5d7d

30224113021 has 4 divisors (see below), whose sum is σ = 30226190332. Its totient is φ = 30222035712.

The previous prime is 30224113019. The next prime is 30224113057. The reversal of 30224113021 is 12031142203.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24581849796 + 5642263225 = 156786^2 + 75115^2 .

It is a cyclic number.

It is not a de Polignac number, because 30224113021 - 21 = 30224113019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30224113021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30224113061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1016676 + ... + 1045981.

It is an arithmetic number, because the mean of its divisors is an integer number (7556547583).

Almost surely, 230224113021 is an apocalyptic number.

It is an amenable number.

30224113021 is a deficient number, since it is larger than the sum of its proper divisors (2077311).

30224113021 is a wasteful number, since it uses less digits than its factorization.

30224113021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2077310.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 30224113021 its reverse (12031142203), we get a palindrome (42255255224).

The spelling of 30224113021 in words is "thirty billion, two hundred twenty-four million, one hundred thirteen thousand, twenty-one".

Divisors: 1 14653 2062657 30224113021