Base | Representation |
---|---|
bin | 111100001101000… |
… | …0110111100011111 |
3 | 12012210012020010000 |
4 | 1320122012330133 |
5 | 13114122010421 |
6 | 532241545343 |
7 | 101026436565 |
oct | 17032067437 |
9 | 5183166100 |
10 | 2020110111 |
11 | 947332698 |
12 | 484645253 |
13 | 262698936 |
14 | 152411a35 |
15 | bc536226 |
hex | 78686f1f |
2020110111 has 10 divisors (see below), whose sum is σ = 3017695472. Its totient is φ = 1346740020.
The previous prime is 2020110097. The next prime is 2020110161. The reversal of 2020110111 is 1110110202.
It is a happy number.
It is not a de Polignac number, because 2020110111 - 219 = 2019585823 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2020110093 and 2020110102.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2020110161) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 12469735 + ... + 12469896.
Almost surely, 22020110111 is an apocalyptic number.
2020110111 is a deficient number, since it is larger than the sum of its proper divisors (997585361).
2020110111 is an equidigital number, since it uses as much as digits as its factorization.
2020110111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24939643 (or 24939634 counting only the distinct ones).
The product of its (nonzero) digits is 4, while the sum is 9.
The square root of 2020110111 is about 44945.6350605929. The cubic root of 2020110111 is about 1264.1298334345.
Adding to 2020110111 its reverse (1110110202), we get a palindrome (3130220313).
Subtracting from 2020110111 its reverse (1110110202), we obtain a palindrome (909999909).
The spelling of 2020110111 in words is "two billion, twenty million, one hundred ten thousand, one hundred eleven".
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