Base | Representation |
---|---|
bin | 111100001101010… |
… | …0010010010011111 |
3 | 12012210101220202011 |
4 | 1320122202102133 |
5 | 13114134101421 |
6 | 532244212051 |
7 | 101030414245 |
oct | 17032422237 |
9 | 5183356664 |
10 | 2020222111 |
11 | 9473a9856 |
12 | 48469a027 |
13 | 2627078cb |
14 | 152440795 |
15 | bc5594e1 |
hex | 786a249f |
2020222111 has 6 divisors (see below), whose sum is σ = 2023628136. Its totient is φ = 2016821700.
The previous prime is 2020222109. The next prime is 2020222117. The reversal of 2020222111 is 1112220202.
It is a happy number.
It is not a de Polignac number, because 2020222111 - 21 = 2020222109 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2020222091 and 2020222100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2020222117) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 475366 + ... + 479596.
It is an arithmetic number, because the mean of its divisors is an integer number (337271356).
Almost surely, 22020222111 is an apocalyptic number.
2020222111 is a deficient number, since it is larger than the sum of its proper divisors (3406025).
2020222111 is an frugal number, since it uses more digits than its factorization.
2020222111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5613 (or 4922 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 13.
The square root of 2020222111 is about 44946.8809930122. The cubic root of 2020222111 is about 1264.1531951850.
Adding to 2020222111 its reverse (1112220202), we get a palindrome (3132442313).
The spelling of 2020222111 in words is "two billion, twenty million, two hundred twenty-two thousand, one hundred eleven".
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