Base | Representation |
---|---|
bin | 1000010010000011… |
… | …1011001011010001 |
3 | 12201221101110022022 |
4 | 2010200323023101 |
5 | 14023121123010 |
6 | 1004335221225 |
7 | 106044042116 |
oct | 20440731321 |
9 | 5657343268 |
10 | 2223223505 |
11 | a40a517a8 |
12 | 520677815 |
13 | 2957a3089 |
14 | 1713a490d |
15 | d02a7d55 |
hex | 8483b2d1 |
2223223505 has 4 divisors (see below), whose sum is σ = 2667868212. Its totient is φ = 1778578800.
The previous prime is 2223223481. The next prime is 2223223553. The reversal of 2223223505 is 5053223222.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5053223222 = 2 ⋅2526611611.
It can be written as a sum of positive squares in 2 ways, for example, as 444745921 + 1778477584 = 21089^2 + 42172^2 .
It is not a de Polignac number, because 2223223505 - 216 = 2223157969 is a prime.
It is a Duffinian number.
It is an unprimeable number.
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, 222322346 + ... + 222322355.
It is an arithmetic number, because the mean of its divisors is an integer number (666967053).
Almost surely, 22223223505 is an apocalyptic number.
It is an amenable number.
2223223505 is a deficient number, since it is larger than the sum of its proper divisors (444644707).
2223223505 is an equidigital number, since it uses as much as digits as its factorization.
2223223505 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 444644706.
The product of its (nonzero) digits is 7200, while the sum is 26.
The square root of 2223223505 is about 47151.0710906974. The cubic root of 2223223505 is about 1305.1518454374.
Adding to 2223223505 its reverse (5053223222), we get a palindrome (7276446727).
The spelling of 2223223505 in words is "two billion, two hundred twenty-three million, two hundred twenty-three thousand, five hundred five".
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