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0.01332 megatonnes is about one-fifteenth as heavy as The Sears Tower.
In other words, it's 0.06601 times the weight of The Sears Tower, and the weight of The Sears Tower is 15.150 times that amount.
(officially "Willis Tower" as of 2009) (Chicago, Illinois)
The Willis Tower weighs approximately 0.20180 megatonnes. The outer wall surface of the Tower is covered with black anodized aluminum panels which would total 110,000 sq. m (28 acres) if laid out together.
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