Log Layers in Culling Mask

I am using Unity 5.5.2 on Ubuntu. I have a camera culling mask with a specific set of layers.

However, in the Unity editor interface in Ubuntu, the culling mask dropdown does not display checks next to the layers I have selected. As a result, when I have too many layers selected, the field reads Mixed ..., and I can not see which layers I set the mask to use.

When I log camera.cullingMask, I get a strange integer I can not comprehend. How can I programmatically see which layers I selected in a culling mask?