Gaining Bitwisdom from Keyboard Shortcuts (mikerourke.dev)

If you need a lot of flags you can use BigNums:

1n << 68n = 295147905179352825856n

(1n << 68n).toString(2) = '100000000000000000000000000000000000000000000000000000000000000000000'

I don't understand why you need a gap between mod bits