Base | Representation |
---|---|
bin | 1100011010010001110… |
… | …0110011110100100111 |
3 | 202101100010202211010022 |
4 | 3012210130303310213 |
5 | 11443124334210343 |
6 | 241540505545355 |
7 | 21255413416115 |
oct | 3064434636447 |
9 | 671303684108 |
10 | 213212413223 |
11 | 82471937877 |
12 | 353a44a525b |
13 | 1714b703274 |
14 | a468b40ab5 |
15 | 582d383568 |
hex | 31a4733d27 |
213212413223 has 4 divisors (see below), whose sum is σ = 213306465960. Its totient is φ = 213118360488.
The previous prime is 213212413207. The next prime is 213212413231. The reversal of 213212413223 is 322314212312.
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 213212413223 - 24 = 213212413207 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 213212413192 and 213212413201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213212413523) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47022968 + ... + 47027501.
It is an arithmetic number, because the mean of its divisors is an integer number (53326616490).
Almost surely, 2213212413223 is an apocalyptic number.
213212413223 is a deficient number, since it is larger than the sum of its proper divisors (94052737).
213212413223 is an equidigital number, since it uses as much as digits as its factorization.
213212413223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 94052736.
The product of its digits is 3456, while the sum is 26.
Adding to 213212413223 its reverse (322314212312), we get a palindrome (535526625535).
The spelling of 213212413223 in words is "two hundred thirteen billion, two hundred twelve million, four hundred thirteen thousand, two hundred twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •