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22304215031 = 710330935111
BaseRepresentation
bin10100110001011011…
…110100111111110111
32010120102022112001012
4110301123310333313
5331134334340111
614125120422435
71416501461660
oct246133647767
963512275035
1022304215031
11950616996a
1243a5777a1b
132145b97497
141118330367
158a81c148b
hex5316f4ff7

22304215031 has 8 divisors (see below), whose sum is σ = 25738013184. Its totient is φ = 18932287320.

The previous prime is 22304215019. The next prime is 22304215057. The reversal of 22304215031 is 13051240322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22304215031 - 214 = 22304198647 is a prime.

It is a super-2 number, since 2×223042150312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22304214988 and 22304215006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22304215001) 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 7 ways as a sum of consecutive naturals, for example, 15466835 + ... + 15468276.

It is an arithmetic number, because the mean of its divisors is an integer number (3217251648).

Almost surely, 222304215031 is an apocalyptic number.

22304215031 is a deficient number, since it is larger than the sum of its proper divisors (3433798153).

22304215031 is a wasteful number, since it uses less digits than its factorization.

22304215031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30935221.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 22304215031 its reverse (13051240322), we get a palindrome (35355455353).

The spelling of 22304215031 in words is "twenty-two billion, three hundred four million, two hundred fifteen thousand, thirty-one".

Divisors: 1 7 103 721 30935111 216545777 3186316433 22304215031