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22133520431 = 119720743693
BaseRepresentation
bin10100100111010000…
…101011100000101111
32010010112010100001222
4110213100223200233
5330312140123211
614100142053555
71412326551041
oct244720534057
963115110058
1022133520431
119428882550
12435857a2bb
132119700c69
1410dd7b9a91
158982051db
hex52742b82f

22133520431 has 8 divisors (see below), whose sum is σ = 24394584144. Its totient is φ = 19913944320.

The previous prime is 22133520403. The next prime is 22133520463. The reversal of 22133520431 is 13402533122.

It is a happy number.

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 22133520431 - 234 = 4953651247 is a prime.

It is a super-2 number, since 2×221335204312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22133520431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22133522431) 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, 10370780 + ... + 10372913.

It is an arithmetic number, because the mean of its divisors is an integer number (3049323018).

Almost surely, 222133520431 is an apocalyptic number.

22133520431 is a deficient number, since it is larger than the sum of its proper divisors (2261063713).

22133520431 is a wasteful number, since it uses less digits than its factorization.

22133520431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20743801.

The product of its (nonzero) digits is 4320, while the sum is 26.

The spelling of 22133520431 in words is "twenty-two billion, one hundred thirty-three million, five hundred twenty thousand, four hundred thirty-one".

Divisors: 1 11 97 1067 20743693 228180623 2012138221 22133520431