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112222013 is a prime number
BaseRepresentation
bin1101011000001…
…01111100111101
321211011110122212
412230011330331
5212212101023
615045150205
72531604611
oct654057475
9254143585
10112222013
115838a072
12316bb365
131a332877
1410c93341
159cbae78
hex6b05f3d

112222013 has 2 divisors, whose sum is σ = 112222014. Its totient is φ = 112222012.

The previous prime is 112222007. The next prime is 112222031. The reversal of 112222013 is 310222211.

It is a happy number.

Together with next prime (112222031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102475129 + 9746884 = 10123^2 + 3122^2 .

It is a cyclic number.

It is not a de Polignac number, because 112222013 - 28 = 112221757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112222063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56111006 + 56111007.

It is an arithmetic number, because the mean of its divisors is an integer number (56111007).

Almost surely, 2112222013 is an apocalyptic number.

It is an amenable number.

112222013 is a deficient number, since it is larger than the sum of its proper divisors (1).

112222013 is an equidigital number, since it uses as much as digits as its factorization.

112222013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 112222013 is about 10593.4891796801. The cubic root of 112222013 is about 482.3467443504.

Adding to 112222013 its reverse (310222211), we get a palindrome (422444224).

The spelling of 112222013 in words is "one hundred twelve million, two hundred twenty-two thousand, thirteen".