Base | Representation |
---|---|
bin | 1110010011101… |
… | …01110011110011 |
3 | 22100211122210000 |
4 | 13021311303303 |
5 | 221211121321 |
6 | 15524241043 |
7 | 2655104103 |
oct | 711656363 |
9 | 270748700 |
10 | 120020211 |
11 | 61825a63 |
12 | 34240183 |
13 | 1bb3319c |
14 | 11d23203 |
15 | a80b826 |
hex | 7275cf3 |
120020211 has 10 divisors (see below), whose sum is σ = 179289572. Its totient is φ = 80013420.
The previous prime is 120020179. The next prime is 120020213. The reversal of 120020211 is 112020021.
It is not a de Polignac number, because 120020211 - 25 = 120020179 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 = 120020193 and 120020202.
It is not an unprimeable number, because it can be changed into a prime (120020213) 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 9 ways as a sum of consecutive naturals, for example, 740785 + ... + 740946.
Almost surely, 2120020211 is an apocalyptic number.
120020211 is a deficient number, since it is larger than the sum of its proper divisors (59269361).
120020211 is an equidigital number, since it uses as much as digits as its factorization.
120020211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1481743 (or 1481734 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 9.
The square root of 120020211 is about 10955.3736129810. The cubic root of 120020211 is about 493.2701047628.
Adding to 120020211 its reverse (112020021), we get a palindrome (232040232).
The spelling of 120020211 in words is "one hundred twenty million, twenty thousand, two hundred eleven".
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