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22113133213 = 371015917349
BaseRepresentation
bin10100100110000010…
…111010001010011101
32010002002202120001211
4110212002322022131
5330241430230323
614054133104421
71411661350063
oct244602721235
963062676054
1022113133213
119418318306
124351788111
132115413512
1410dabd0033
1589652970d
hex5260ba29d

22113133213 has 8 divisors (see below), whose sum is σ = 22935648600. Its totient is φ = 21302452800.

The previous prime is 22113133201. The next prime is 22113133243. The reversal of 22113133213 is 31233131122.

It can be written as a sum of positive squares in 4 ways, for example, as 16091683609 + 6021449604 = 126853^2 + 77598^2 .

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 22113133213 - 217 = 22113002141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22113133243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2954938 + ... + 2962411.

It is an arithmetic number, because the mean of its divisors is an integer number (2866956075).

Almost surely, 222113133213 is an apocalyptic number.

It is an amenable number.

22113133213 is a deficient number, since it is larger than the sum of its proper divisors (822515387).

22113133213 is a wasteful number, since it uses less digits than its factorization.

22113133213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5917487.

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

Adding to 22113133213 its reverse (31233131122), we get a palindrome (53346264335).

The spelling of 22113133213 in words is "twenty-two billion, one hundred thirteen million, one hundred thirty-three thousand, two hundred thirteen".

Divisors: 1 37 101 3737 5917349 218941913 597652249 22113133213