Base | Representation |
---|---|
bin | 111100001101101… |
… | …0100000111101101 |
3 | 12012210210021201210 |
4 | 1320123110013231 |
5 | 13114212114341 |
6 | 532252425033 |
7 | 101032224312 |
oct | 17033240755 |
9 | 5183707653 |
10 | 2020426221 |
11 | 947529140 |
12 | 484778179 |
13 | 262779798 |
14 | 152494d09 |
15 | bc599c16 |
hex | 786d41ed |
2020426221 has 8 divisors (see below), whose sum is σ = 2938801824. Its totient is φ = 1224500720.
The previous prime is 2020426189. The next prime is 2020426223. The reversal of 2020426221 is 1226240202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2020426221 - 25 = 2020426189 is a prime.
It is a super-2 number, since 2×20204262212 = 8164244229008681682, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2020426223) 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 7 ways as a sum of consecutive naturals, for example, 30612486 + ... + 30612551.
It is an arithmetic number, because the mean of its divisors is an integer number (367350228).
Almost surely, 22020426221 is an apocalyptic number.
It is an amenable number.
2020426221 is a deficient number, since it is larger than the sum of its proper divisors (918375603).
2020426221 is a wasteful number, since it uses less digits than its factorization.
2020426221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61225051.
The product of its (nonzero) digits is 768, while the sum is 21.
The square root of 2020426221 is about 44949.1515047837. The cubic root of 2020426221 is about 1264.1957676688.
Adding to 2020426221 its reverse (1226240202), we get a palindrome (3246666423).
The spelling of 2020426221 in words is "two billion, twenty million, four hundred twenty-six thousand, two hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •