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22133121331 = 1091583128273
BaseRepresentation
bin10100100111001111…
…001010000100110011
32010010111101001121111
4110213033022010303
5330312034340311
614100125334151
71412323266346
oct244717120463
963114331544
1022133121331
11942862a712
124358407357
1321195c13c9
1410dd71445d
15898176d21
hex5273ca133

22133121331 has 8 divisors (see below), whose sum is σ = 22350461760. Its totient is φ = 21916040832.

The previous prime is 22133121317. The next prime is 22133121341. The reversal of 22133121331 is 13312133122.

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 22133121331 - 227 = 21998903603 is a prime.

It is a super-2 number, since 2×221331213312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22133121301) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 108411 + ... + 236683.

It is an arithmetic number, because the mean of its divisors is an integer number (2793807720).

Almost surely, 222133121331 is an apocalyptic number.

22133121331 is a deficient number, since it is larger than the sum of its proper divisors (217340429).

22133121331 is a wasteful number, since it uses less digits than its factorization.

22133121331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129965.

The product of its digits is 648, while the sum is 22.

Adding to 22133121331 its reverse (13312133122), we get a palindrome (35445254453).

The spelling of 22133121331 in words is "twenty-two billion, one hundred thirty-three million, one hundred twenty-one thousand, three hundred thirty-one".

Divisors: 1 109 1583 128273 172547 13981757 203056159 22133121331