With 32 bits, the largest value that we can express is roughly:

4,000,000,000
  • 1,000
  • 32,000
  • 64,000
  • 1,000,000
  • 2,000,000
  • 4,000,000
  • 1,000,000,000
  • 2,000,000,000
  • 8,000,000,000

Which number is closest to 2^{32}?