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22131112199 = 7366197613
BaseRepresentation
bin10100100111000111…
…011111100100000111
32010010100120222121012
4110213013133210013
5330311031042244
614100014312435
71412300231000
oct244707374407
963110528535
1022131112199
119427488179
1243577b871b
132119069a81
1410dd3501a7
15897dcb89e
hex5271df907

22131112199 has 16 divisors (see below), whose sum is σ = 25848187200. Its totient is φ = 18940632480.

The previous prime is 22131112183. The next prime is 22131112217. The reversal of 22131112199 is 99121113122.

It is a happy number.

It is not a de Polignac number, because 22131112199 - 24 = 22131112183 is a prime.

It is a super-2 number, since 2×221311121992 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22131112139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177917 + ... + 275529.

It is an arithmetic number, because the mean of its divisors is an integer number (1615511700).

Almost surely, 222131112199 is an apocalyptic number.

22131112199 is a deficient number, since it is larger than the sum of its proper divisors (3717075001).

22131112199 is an frugal number, since it uses more digits than its factorization.

22131112199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98295 (or 98281 counting only the distinct ones).

The product of its digits is 1944, while the sum is 32.

The spelling of 22131112199 in words is "twenty-two billion, one hundred thirty-one million, one hundred twelve thousand, one hundred ninety-nine".

Divisors: 1 7 49 343 661 4627 32389 97613 226723 683291 4783037 33481259 64522193 451655351 3161587457 22131112199