Base | Representation |
---|---|
bin | 111100001101010… |
… | …0111011110000011 |
3 | 12012210102222212002 |
4 | 1320122213132003 |
5 | 13114140241311 |
6 | 532244454215 |
7 | 101030533151 |
oct | 17032473603 |
9 | 5183388762 |
10 | 2020243331 |
11 | 947413797 |
12 | 4846aa36b |
13 | 262714472 |
14 | 1524483d1 |
15 | bc56093b |
hex | 786a7783 |
2020243331 has 4 divisors (see below), whose sum is σ = 2139081192. Its totient is φ = 1901405472.
The previous prime is 2020243289. The next prime is 2020243349. The reversal of 2020243331 is 1333420202.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1333420202 = 2 ⋅666710101.
It is a cyclic number.
It is not a de Polignac number, because 2020243331 - 222 = 2016049027 is a prime.
It is a super-2 number, since 2×20202433312 = 8162766232899951122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2020243231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59418905 + ... + 59418938.
It is an arithmetic number, because the mean of its divisors is an integer number (534770298).
Almost surely, 22020243331 is an apocalyptic number.
2020243331 is a deficient number, since it is larger than the sum of its proper divisors (118837861).
2020243331 is a wasteful number, since it uses less digits than its factorization.
2020243331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 118837860.
The product of its (nonzero) digits is 864, while the sum is 20.
The square root of 2020243331 is about 44947.1170488164. The cubic root of 2020243331 is about 1264.1576213051.
Adding to 2020243331 its reverse (1333420202), we get a palindrome (3353663533).
The spelling of 2020243331 in words is "two billion, twenty million, two hundred forty-three thousand, three hundred thirty-one".
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