
The Excel BITLSHIFT function shifts a number by the specified number of bits, effectively doubling or halving the number a specified number of times.
Returns a number shifted left by some number of bits
Decimal Number
=BITLSHIFT (number, shift_amount)
For any bit shift that results in integer overflow, where the result is larger than 2^48 -1, the function returns the #NUM! error.
The shift_amount can either be positive or negative. If a negative number is provided, the bits are shifted to the right instead.

The Excel BITLSHIFT function shifts a number by the specified number of bits, effectively doubling or halving the number a specified number of times.
Returns a number shifted left by some number of bits
Decimal Number
=BITLSHIFT (number, shift_amount)
For any bit shift that results in integer overflow, where the result is larger than 2^48 -1, the function returns the #NUM! error.
The shift_amount can either be positive or negative. If a negative number is provided, the bits are shifted to the right instead.