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111223313 = 6113713309
BaseRepresentation
bin1101010000100…
…10001000010001
321202021201200222
412220102020101
5211433121223
615011522425
72520245135
oct650221021
9252251628
10111223313
11578677a3
12312b9415
131a073116
1410ab33c5
159b700c8
hex6a12211

111223313 has 8 divisors (see below), whose sum is σ = 113880360. Its totient is φ = 108593280.

The previous prime is 111223303. The next prime is 111223339. The reversal of 111223313 is 313322111.

It can be written as a sum of positive squares in 4 ways, for example, as 5071504 + 106151809 = 2252^2 + 10303^2 .

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 111223313 - 24 = 111223297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111223291 and 111223300.

It is not an unprimeable number, because it can be changed into a prime (111223303) 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, 1703 + ... + 15011.

It is an arithmetic number, because the mean of its divisors is an integer number (14235045).

Almost surely, 2111223313 is an apocalyptic number.

It is an amenable number.

111223313 is a deficient number, since it is larger than the sum of its proper divisors (2657047).

111223313 is a wasteful number, since it uses less digits than its factorization.

111223313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13507.

The product of its digits is 108, while the sum is 17.

The square root of 111223313 is about 10546.2463938598. The cubic root of 111223313 is about 480.9116254551.

Adding to 111223313 its reverse (313322111), we get a palindrome (424545424).

The spelling of 111223313 in words is "one hundred eleven million, two hundred twenty-three thousand, three hundred thirteen".

Divisors: 1 61 137 8357 13309 811849 1823333 111223313