A ten digit number is formed using the digit from $0$ to $9$ once each.  For this ten-digit number,  the first digit is divisible by $2$,  the number formed by the first two digits is divisible by $3$,  the number formed by the first three digits is divisible by $4$,  $\dots$  the number formed by the first nine digits is divisible by $10$.  Given that the leftmost digit of this number is $8$, find the number. 
Overseas Competition->Knowledge Point->Number Theory Modules->Division without Remainders->Divisibility Rules