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112132213 = 611838233
BaseRepresentation
bin1101010111100…
…00000001110101
321210222220110221
412223300001311
5212201212323
615043214341
72531052034
oct653600165
9253886427
10112132213
1158328656
12316773b1
131a300a2b
1410c6c71b
159c9e55d
hex6af0075

112132213 has 4 divisors (see below), whose sum is σ = 113970508. Its totient is φ = 110293920.

The previous prime is 112132169. The next prime is 112132219. The reversal of 112132213 is 312231211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312231211 = 532358657.

It can be written as a sum of positive squares in 2 ways, for example, as 45252529 + 66879684 = 6727^2 + 8178^2 .

It is a cyclic number.

It is not a de Polignac number, because 112132213 - 225 = 78577781 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 (112132219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 919056 + ... + 919177.

It is an arithmetic number, because the mean of its divisors is an integer number (28492627).

Almost surely, 2112132213 is an apocalyptic number.

It is an amenable number.

112132213 is a deficient number, since it is larger than the sum of its proper divisors (1838295).

112132213 is an equidigital number, since it uses as much as digits as its factorization.

112132213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838294.

The product of its digits is 72, while the sum is 16.

The square root of 112132213 is about 10589.2498790047. The cubic root of 112132213 is about 482.2180521413.

Adding to 112132213 its reverse (312231211), we get a palindrome (424363424).

The spelling of 112132213 in words is "one hundred twelve million, one hundred thirty-two thousand, two hundred thirteen".

Divisors: 1 61 1838233 112132213