Base | Representation |
---|---|
bin | 1101010000100… |
… | …11110001000111 |
3 | 21202022001220111 |
4 | 12220103301013 |
5 | 211433330043 |
6 | 15012013451 |
7 | 2520303532 |
oct | 650236107 |
9 | 252261814 |
10 | 111230023 |
11 | 57871843 |
12 | 31301287 |
13 | 1a0761a8 |
14 | 10ab5a19 |
15 | 9b7209d |
hex | 6a13c47 |
111230023 has 4 divisors (see below), whose sum is σ = 113053528. Its totient is φ = 109406520.
The previous prime is 111230011. The next prime is 111230033. The reversal of 111230023 is 320032111.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 111230023 - 217 = 111098951 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 111229985 and 111230012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (111230003) 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, 911661 + ... + 911782.
It is an arithmetic number, because the mean of its divisors is an integer number (28263382).
Almost surely, 2111230023 is an apocalyptic number.
111230023 is a deficient number, since it is larger than the sum of its proper divisors (1823505).
111230023 is an equidigital number, since it uses as much as digits as its factorization.
111230023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1823504.
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 111230023 is about 10546.5645117261. The cubic root of 111230023 is about 480.9212962458.
Adding to 111230023 its reverse (320032111), we get a palindrome (431262134).
The spelling of 111230023 in words is "one hundred eleven million, two hundred thirty thousand, twenty-three".
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