Reversal of Number Multiplied by 11/Examples/2,363,511,509

Example of Reversal of Number Multiplied by 11

$11$ multiplied by the reversal of $2 \, 363 \, 511 \, 509$ equals the reversal of the product of $2 \, 363 \, 511 \, 509$ and $11$.

Proof

  2,363,511,509     9,051,153,632
 x           11    x           11
 --------------    --------------
  2,363,511,509     9,051,153,632
 23,635,115,090    90,511,536,320
 --------------    --------------
 25,998,626,599    99,562,689,952
 --------------    --------------

$\blacksquare$

Sources

• 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $2615$
• 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $2615$