Problem for anyone smart: Find the smallest number satisfying 9 conditions

BrianDen estimates that this is one of the hardest quizzes and only for smart people.

The lesson is as follows:

This is a natural number that meets 9 conditions:

When dividing it by 2, the balance is 1.

When dividing it by 3, the balance is 2.

When dividing it by 4, the balance is 3.

When dividing it by 5, the balance is 4.

When dividing it by 6, the balance is 5.

When dividing it by 7, the balance is 6.

When dividing it by 8, the balance is 7.

When dividing it by 9, the balance is 8.

When dividing it by 10, the balance is 9.

Find the smallest number that satisfies all of the above conditions and explains.