Base | Representation |
---|---|
bin | 1110010011101… |
… | …01110011110101 |
3 | 22100211122210002 |
4 | 13021311303311 |
5 | 221211121323 |
6 | 15524241045 |
7 | 2655104105 |
oct | 711656365 |
9 | 270748702 |
10 | 120020213 |
11 | 61825a65 |
12 | 34240185 |
13 | 1bb331a1 |
14 | 11d23205 |
15 | a80b828 |
hex | 7275cf5 |
120020213 has 2 divisors, whose sum is σ = 120020214. Its totient is φ = 120020212.
The previous prime is 120020179. The next prime is 120020237. The reversal of 120020213 is 312020021.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 82773604 + 37246609 = 9098^2 + 6103^2 .
It is a cyclic number.
It is not a de Polignac number, because 120020213 - 216 = 119954677 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 120020194 and 120020203.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (120020273) 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 as a sum of consecutive naturals, namely, 60010106 + 60010107.
It is an arithmetic number, because the mean of its divisors is an integer number (60010107).
Almost surely, 2120020213 is an apocalyptic number.
It is an amenable number.
120020213 is a deficient number, since it is larger than the sum of its proper divisors (1).
120020213 is an equidigital number, since it uses as much as digits as its factorization.
120020213 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 24, while the sum is 11.
The square root of 120020213 is about 10955.3737042604. The cubic root of 120020213 is about 493.2701075028.
Adding to 120020213 its reverse (312020021), we get a palindrome (432040234).
The spelling of 120020213 in words is "one hundred twenty million, twenty thousand, two hundred thirteen".
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