Base | Representation |
---|---|
bin | 11010010000111… |
… | …11110000000101 |
3 | 120100120222022220 |
4 | 31020133300011 |
5 | 422401043023 |
6 | 33510242553 |
7 | 5313532320 |
oct | 1510376005 |
9 | 510528286 |
10 | 220331013 |
11 | 103409a51 |
12 | 61956459 |
13 | 368552a6 |
14 | 213957b7 |
15 | 145233e3 |
hex | d21fc05 |
220331013 has 8 divisors (see below), whose sum is σ = 335742528. Its totient is φ = 125903424.
The previous prime is 220331003. The next prime is 220331039. The reversal of 220331013 is 310133022.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 220331013 - 24 = 220330997 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 220330983 and 220331001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220331003) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 5245956 + ... + 5245997.
It is an arithmetic number, because the mean of its divisors is an integer number (41967816).
Almost surely, 2220331013 is an apocalyptic number.
It is an amenable number.
220331013 is a deficient number, since it is larger than the sum of its proper divisors (115411515).
220331013 is a wasteful number, since it uses less digits than its factorization.
220331013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10491963.
The product of its (nonzero) digits is 108, while the sum is 15.
The square root of 220331013 is about 14843.5512260375. The cubic root of 220331013 is about 603.9836890541.
Adding to 220331013 its reverse (310133022), we get a palindrome (530464035).
The spelling of 220331013 in words is "two hundred twenty million, three hundred thirty-one thousand, thirteen".
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