[quote=Legend]
You miscalculated. It's a sphere.
[/quote]

It's a [i]sphere[/i]? That would more than triple the population area. And since it's a filled sphere, the land needed would be immense, probably requiring the destruction of all the planets of multiple universes. And besides that, such a large planet would have immense gravity, and it may even surpass the Schwarzschild Radius. Let me do the maths for that really quick.