 The account number in the financial institution, padded on the left with zeroes to a width of 11 digits.The control digit is calculated as the modulus 10 of 10 minus the modulus 10 of the sum of the modulus 10 of the product of the first 17 digits by its weight factor.The first 17 digits of the CLABE are, as mentioned above, the Bank Code, the Branch Office Code and the Account Number.