Base | Representation |
---|---|
bin | 100111111011111110… |
… | …000110111011001001 |
3 | 11002200112011202210000 |
4 | 213323332012323021 |
5 | 1200310302140134 |
6 | 31411051313213 |
7 | 3045441364623 |
oct | 477376067311 |
9 | 132615152700 |
10 | 42882068169 |
11 | 1720589a566 |
12 | 838914b809 |
13 | 40751b5345 |
14 | 210b275c13 |
15 | 11aea32e99 |
hex | 9fbf86ec9 |
42882068169 has 20 divisors (see below), whose sum is σ = 64718805844. Its totient is φ = 28293318144.
The previous prime is 42882068153. The next prime is 42882068179. The reversal of 42882068169 is 96186028824.
42882068169 is a `hidden beast` number, since 428 + 8 + 206 + 8 + 1 + 6 + 9 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 29527954569 + 13354113600 = 171837^2 + 115560^2 .
It is not a de Polignac number, because 42882068169 - 24 = 42882068153 is a prime.
It is a super-2 number, since 2×428820681692 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (42882068179) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2721052 + ... + 2736765.
Almost surely, 242882068169 is an apocalyptic number.
It is an amenable number.
42882068169 is a deficient number, since it is larger than the sum of its proper divisors (21836737675).
42882068169 is an equidigital number, since it uses as much as digits as its factorization.
42882068169 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5457926 (or 5457917 counting only the distinct ones).
The product of its (nonzero) digits is 2654208, while the sum is 54.
The spelling of 42882068169 in words is "forty-two billion, eight hundred eighty-two million, sixty-eight thousand, one hundred sixty-nine".
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