Alright, let's work through 52156772 times 87161890 step by step
52156772 × 87161890 = 87161890 × (52156772)
+ 87161890 × 2 yielding 174323780
+ 87161890 × 70 yielding 6101332300
+ 87161890 × 700 that is equal 61013323000
+ 87161890 × 6000 that is equal 522971340000
+ 87161890 × 50000 giving us 4358094500000
+ 87161890 × 100000 giving us 8716189000000
+ 87161890 × 2000000 giving us 174323780000000
+ 87161890 × 50000000 giving us 4358094500000000

= 4546082823819080
