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22092030912 = 26379721747
BaseRepresentation
bin10100100100110010…
…011010001111000000
32010000122001110011010
4110210302122033000
5330221024442122
614052100520520
71411314110250
oct244462321700
963018043133
1022092030912
119407414896
1243466b0140
132110c35453
1410d8099960
1589475be0c
hex524c9a3c0

22092030912 has 168 divisors, whose sum is σ = 67536511104. Its totient is φ = 6243360768.

The previous prime is 22092030899. The next prime is 22092030913. The reversal of 22092030912 is 21903029022.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (168).

It is a self number, because there is not a number n which added to its sum of digits gives 22092030912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22092030913) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12644823 + ... + 12646569.

Almost surely, 222092030912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22092030912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33768255552).

22092030912 is an abundant number, since it is smaller than the sum of its proper divisors (45444480192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22092030912 is an equidigital number, since it uses as much as digits as its factorization.

22092030912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1963 (or 1856 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

Adding to 22092030912 its reverse (21903029022), we get a palindrome (43995059934).

The spelling of 22092030912 in words is "twenty-two billion, ninety-two million, thirty thousand, nine hundred twelve".