Base | Representation |
---|---|
bin | 100100011100111… |
… | …1000010000111111 |
3 | 10011020112112222110 |
4 | 1020321320100333 |
5 | 10001110212343 |
6 | 321211545103 |
7 | 42211311105 |
oct | 11071702077 |
9 | 3136475873 |
10 | 1223132223 |
11 | 578476385 |
12 | 2a175b193 |
13 | 1665334a1 |
14 | b8631c75 |
15 | 725a9833 |
hex | 48e7843f |
1223132223 has 8 divisors (see below), whose sum is σ = 1631902000. Its totient is φ = 814891968.
The previous prime is 1223132179. The next prime is 1223132231. The reversal of 1223132223 is 3222313221.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1223132223 - 29 = 1223131711 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1223132223.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1223132233) 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, 126958 + ... + 136251.
It is an arithmetic number, because the mean of its divisors is an integer number (203987750).
Almost surely, 21223132223 is an apocalyptic number.
1223132223 is a deficient number, since it is larger than the sum of its proper divisors (408769777).
1223132223 is a wasteful number, since it uses less digits than its factorization.
1223132223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 264761.
The product of its digits is 864, while the sum is 21.
The square root of 1223132223 is about 34973.3072928484. The cubic root of 1223132223 is about 1069.4433949646.
Adding to 1223132223 its reverse (3222313221), we get a palindrome (4445445444).
The spelling of 1223132223 in words is "one billion, two hundred twenty-three million, one hundred thirty-two thousand, two hundred twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •