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13222131122 = 2192137133673
BaseRepresentation
bin11000101000001100…
…11011010110110010
31021010110202212002002
430110012123112302
5204034331143442
610024004054002
7645441155144
oct142406332662
937113685062
1013222131122
1156756038a2
122690094302
131329407435
148d606cc94
15525bcd732
hex31419b5b2

13222131122 has 24 divisors (see below), whose sum is σ = 21084934716. Its totient is φ = 6217352064.

The previous prime is 13222131121. The next prime is 13222131137. The reversal of 13222131122 is 22113122231.

It can be written as a sum of positive squares in 2 ways, for example, as 12991668361 + 230462761 = 113981^2 + 15181^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13222131094 and 13222131103.

It is not an unprimeable number, because it can be changed into a prime (13222131121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32078 + ... + 165750.

Almost surely, 213222131122 is an apocalyptic number.

13222131122 is a deficient number, since it is larger than the sum of its proper divisors (7862803594).

13222131122 is a wasteful number, since it uses less digits than its factorization.

13222131122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133850 (or 133831 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

Adding to 13222131122 its reverse (22113122231), we get a palindrome (35335253353).

The spelling of 13222131122 in words is "thirteen billion, two hundred twenty-two million, one hundred thirty-one thousand, one hundred twenty-two".

Divisors: 1 2 19 38 137 274 361 722 2603 5206 49457 98914 133673 267346 2539787 5079574 18313201 36626402 48255953 96511906 347950819 695901638 6611065561 13222131122