Using divisibility tests, determine the number $639210$ is divisible by $6$ or not.

Using divisibility tests, determine the following number is divisible by $11$ or not:

$5445$

Using divisibility tests, determine the following number is divisible by $11$ or not:

$10824$

Using divisibility tests, determine the following number is divisible by $11$ or not:

$7138965$

Using divisibility tests, determine the following number is divisible by $11$ or not

$70169308$

Using divisibility tests, determine the following number is divisible by $11$ or not:

$10000001$

Using divisibility tests, determine the following number is divisible by $11$ or not:

$901153$