Base | Representation |
---|---|
bin | 11000000101010… |
… | …01010111011001 |
3 | 112002010200202211 |
4 | 30002221113121 |
5 | 403204122223 |
6 | 32013555121 |
7 | 5002100335 |
oct | 1402512731 |
9 | 462120684 |
10 | 202020313 |
11 | a4042940 |
12 | 577a5aa1 |
13 | 32b13a61 |
14 | 1cb8a7c5 |
15 | 12b07d0d |
hex | c0a95d9 |
202020313 has 8 divisors (see below), whose sum is σ = 221098176. Its totient is φ = 183061200.
The previous prime is 202020311. The next prime is 202020317. The reversal of 202020313 is 313020202.
It is a happy number.
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 202020313 - 21 = 202020311 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 202020293 and 202020302.
It is not an unprimeable number, because it can be changed into a prime (202020311) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26106 + ... + 32947.
It is an arithmetic number, because the mean of its divisors is an integer number (27637272).
Almost surely, 2202020313 is an apocalyptic number.
It is an amenable number.
202020313 is a deficient number, since it is larger than the sum of its proper divisors (19077863).
202020313 is a wasteful number, since it uses less digits than its factorization.
202020313 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 59375.
The product of its (nonzero) digits is 72, while the sum is 13.
The square root of 202020313 is about 14213.3849944339. The cubic root of 202020313 is about 586.7660978092.
Adding to 202020313 its reverse (313020202), we get a palindrome (515040515).
The spelling of 202020313 in words is "two hundred two million, twenty thousand, three hundred thirteen".
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