Base | Representation |
---|---|
bin | 1011110000100101011… |
… | …0011001111010100001 |
3 | 201022110010220010211202 |
4 | 2330021112121322201 |
5 | 11302214201044134 |
6 | 232450140450545 |
7 | 20411152324226 |
oct | 2741126317241 |
9 | 638403803752 |
10 | 202020331169 |
11 | 78749234988 |
12 | 331a0249a55 |
13 | 16086a645c7 |
14 | 9ac654d94d |
15 | 53c5a00d7e |
hex | 2f09599ea1 |
202020331169 has 2 divisors, whose sum is σ = 202020331170. Its totient is φ = 202020331168.
The previous prime is 202020331159. The next prime is 202020331189. The reversal of 202020331169 is 961133020202.
202020331169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 200626055569 + 1394275600 = 447913^2 + 37340^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-202020331169 is a prime.
It is a super-2 number, since 2×2020203311692 (a number of 23 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (202020331159) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101010165584 + 101010165585.
It is an arithmetic number, because the mean of its divisors is an integer number (101010165585).
Almost surely, 2202020331169 is an apocalyptic number.
It is an amenable number.
202020331169 is a deficient number, since it is larger than the sum of its proper divisors (1).
202020331169 is an equidigital number, since it uses as much as digits as its factorization.
202020331169 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3888, while the sum is 29.
The spelling of 202020331169 in words is "two hundred two billion, twenty million, three hundred thirty-one thousand, one hundred sixty-nine".
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