Base | Representation |
---|---|
bin | 11010001110100… |
… | …01101011001101 |
3 | 120022222201122110 |
4 | 31013101223031 |
5 | 422310324323 |
6 | 33455334233 |
7 | 5311031052 |
oct | 1507215315 |
9 | 508881573 |
10 | 220011213 |
11 | 103210754 |
12 | 61821379 |
13 | 36772866 |
14 | 21311029 |
15 | 144ad793 |
hex | d1d1acd |
220011213 has 8 divisors (see below), whose sum is σ = 301276768. Its totient is φ = 142709904.
The previous prime is 220011199. The next prime is 220011223. The reversal of 220011213 is 312110022.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 220011213 - 26 = 220011149 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 (220011223) 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, 990931 + ... + 991152.
It is an arithmetic number, because the mean of its divisors is an integer number (37659596).
Almost surely, 2220011213 is an apocalyptic number.
It is an amenable number.
220011213 is a deficient number, since it is larger than the sum of its proper divisors (81265555).
220011213 is a wasteful number, since it uses less digits than its factorization.
220011213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1982123.
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 220011213 is about 14832.7749595280. The cubic root of 220011213 is about 603.6913296811.
Adding to 220011213 its reverse (312110022), we get a palindrome (532121235).
The spelling of 220011213 in words is "two hundred twenty million, eleven thousand, two hundred thirteen".
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