Svi dvoznamenkasti brojevi od
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do
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napisani su u nizu i tvore broj
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Broj
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je najveća potencija broja

koja dijeli

. Odredi
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.
All natural numbers from
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to

are written in order, one after another, to form the number
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The number

is the highest power of
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which is a factor of the number

. What is the value of
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?
[lang=hr]
Svi dvoznamenkasti brojevi od $19$ do $92$ napisani su u nizu i tvore broj $$N=192021\cdots909192.$$ Broj $3^k$ je najveća potencija broja $3$ koja dijeli $N$. Odredi $k$.
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[lang=en]
All natural numbers from $19$ to $29$ are written in order, one after another, to form the number $$N=192021\cdots909192.$$ The number $3^k$ is the highest power of $3$ which is a factor of the number $N$. What is the value of $k$?
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