Base | Representation |
---|---|
bin | 1000010010000000… |
… | …1011111111000101 |
3 | 12201221000122011100 |
4 | 2010200023333011 |
5 | 14023043431323 |
6 | 1004331130313 |
7 | 106042305435 |
oct | 20440137705 |
9 | 5657018140 |
10 | 2223030213 |
11 | a4092a558 |
12 | 5205a3999 |
13 | 2957360c1 |
14 | 1713542c5 |
15 | d026a943 |
hex | 8480bfc5 |
2223030213 has 6 divisors (see below), whose sum is σ = 3211043654. Its totient is φ = 1482020136.
The previous prime is 2223030113. The next prime is 2223030221. The reversal of 2223030213 is 3120303222.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 1679114529 + 543915684 = 40977^2 + 23322^2 .
It is not a de Polignac number, because 2223030213 - 214 = 2223013829 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 (2223030223) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123501670 + ... + 123501687.
Almost surely, 22223030213 is an apocalyptic number.
It is an amenable number.
2223030213 is a deficient number, since it is larger than the sum of its proper divisors (988013441).
2223030213 is a wasteful number, since it uses less digits than its factorization.
2223030213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 247003363 (or 247003360 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
The square root of 2223030213 is about 47149.0213366089. The cubic root of 2223030213 is about 1305.1140200724.
Adding to 2223030213 its reverse (3120303222), we get a palindrome (5343333435).
The spelling of 2223030213 in words is "two billion, two hundred twenty-three million, thirty thousand, two hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •