如果5#1=1+11+111+1111+11111,4#2=2+22+222+2222+22222,3#3=3+33+333,2#4=4+44,求9#5的值.

9#5=5+55+555+5555+55555+555555+5555555+55555555+555555555
=5*9+50*8+500*7+5000*6+50000*5+500000*4+5000000*3+50000000*2+500000000
=45+400+3500+30000+250000+2000000+15000000+100000000+500000000
=617283945