Alright, let's work through 51661468 times 13223492 step by step
51661468 × 13223492 = 13223492 × (51661468)
+ 13223492 × 8 what gives us 105787936
+ 13223492 × 60 giving us 793409520
+ 13223492 × 400 that results in 5289396800
+ 13223492 × 1000 what gives us 13223492000
+ 13223492 × 60000 that is equal 793409520000
+ 13223492 × 600000 what gives us 7934095200000
+ 13223492 × 1000000 that is equal 13223492000000
+ 13223492 × 50000000 that results in 661174600000000

= 683145008806256
