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22231031132 = 2243129250181
BaseRepresentation
bin10100101101000100…
…101001110101011100
32010101022121101121102
4110231010221311130
5331012120444012
614113544052232
71414622434562
oct245504516534
963338541542
1022231031132
119478923802
124385164078
1321339826bb
14110c71da32
158a1a672c2
hex52d129d5c

22231031132 has 12 divisors (see below), whose sum is σ = 39809056056. Its totient is φ = 10857015120.

The previous prime is 22231031077. The next prime is 22231031153. The reversal of 22231031132 is 23113013222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64624919 + ... + 64625262.

It is an arithmetic number, because the mean of its divisors is an integer number (3317421338).

Almost surely, 222231031132 is an apocalyptic number.

It is an amenable number.

22231031132 is a deficient number, since it is larger than the sum of its proper divisors (17578024924).

22231031132 is a wasteful number, since it uses less digits than its factorization.

22231031132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129250228 (or 129250226 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 22231031132 its reverse (23113013222), we get a palindrome (45344044354).

The spelling of 22231031132 in words is "twenty-two billion, two hundred thirty-one million, thirty-one thousand, one hundred thirty-two".

Divisors: 1 2 4 43 86 172 129250181 258500362 517000724 5557757783 11115515566 22231031132