<br/> -A password must consist of 6 characters that must be letters

from the English alphabet or the digits 0, 1, 2, 3, …, 9 (no special characters). The letters may be lower case and upper case, and case matters, so abC is not the same as abc. The password may not begin with the number 0, but other than that there are no restrictions (characters may be repeated). How many such passwords are there?

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