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22120113233 = 109320237981
BaseRepresentation
bin10100100110011101…
…100010010001010001
32010002120220011212002
4110212131202101101
5330300222110413
614054542443345
71412104601021
oct244635422121
963076804762
1022120113233
119421255519
124353b93555
1321169b85ca
1410dbac9a81
15896e57958
hex526762451

22120113233 has 4 divisors (see below), whose sum is σ = 22140352308. Its totient is φ = 22099874160.

The previous prime is 22120113217. The next prime is 22120113251. The reversal of 22120113233 is 33231102122.

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 16985387584 + 5134725649 = 130328^2 + 71657^2 .

It is a cyclic number.

It is not a de Polignac number, because 22120113233 - 24 = 22120113217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22120113203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10117898 + ... + 10120083.

It is an arithmetic number, because the mean of its divisors is an integer number (5535088077).

Almost surely, 222120113233 is an apocalyptic number.

It is an amenable number.

22120113233 is a deficient number, since it is larger than the sum of its proper divisors (20239075).

22120113233 is a wasteful number, since it uses less digits than its factorization.

22120113233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20239074.

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

Adding to 22120113233 its reverse (33231102122), we get a palindrome (55351215355).

The spelling of 22120113233 in words is "twenty-two billion, one hundred twenty million, one hundred thirteen thousand, two hundred thirty-three".

Divisors: 1 1093 20237981 22120113233