Well, the Blue Whales largest artery is the Aorta, which measure in with a diameter of 9 Inches.
Hasbulla is 0.6811024 inches, so 9 / 0.6811024 = 13.2138720991 Hasbullas
Therefore 13.2 Hasbullas could fit in the Blue Whales largest artery, the Aorta!