Base | Representation |
---|---|
bin | 1100011010010011101… |
… | …0100110100011101010 |
3 | 202101100200110121102002 |
4 | 3012210322212203222 |
5 | 11443133334120320 |
6 | 241541345211002 |
7 | 21255536664551 |
oct | 3064472464352 |
9 | 671320417362 |
10 | 213220223210 |
11 | 82476291605 |
12 | 353a7030a62 |
13 | 17150209067 |
14 | a469bb4d98 |
15 | 582ddc7675 |
hex | 31a4ea68ea |
213220223210 has 16 divisors (see below), whose sum is σ = 397030761000. Its totient is φ = 82347120576.
The previous prime is 213220223189. The next prime is 213220223243. The reversal of 213220223210 is 12322022312.
It is a happy number.
213220223210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 202123075561 + 11097147649 = 449581^2 + 105343^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367620785 + ... + 367621364.
Almost surely, 2213220223210 is an apocalyptic number.
213220223210 is a deficient number, since it is larger than the sum of its proper divisors (183810537790).
213220223210 is a wasteful number, since it uses less digits than its factorization.
213220223210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 735242185.
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 213220223210 its reverse (12322022312), we get a palindrome (225542245522).
The spelling of 213220223210 in words is "two hundred thirteen billion, two hundred twenty million, two hundred twenty-three thousand, two hundred ten".
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