设定2468为a。那么:2468=a24682468=10000a+a=10001a246824682468=100000000a+10000a+a=100010001a2468246824682468=1000000000000a+100000000a+10000a+a=1000100010001a所以:2468+24682468+246824682468+2468246824682468 =a+10001a+100010001a+1000100010001a =1000200030004a因此,原式=1000200030004×2468=2468493674049872