Ramayana
शतंशतसहस्राणांकोटिमाहुर्मनीषिणः । शतंकोटिसहस्राणांशङ्कु: इत्यभिधीयते ॥ ६-२८-३३
"It is said by wise men that hundred thousand crores multiplied by hundred thousand crores as Sankha. ॥ 6-28-33॥
english translation
zataMzatasahasrANAMkoTimAhurmanISiNaH । zataMkoTisahasrANAMzaGku: ityabhidhIyate ॥ 6-28-33
hk transliteration by Sanscript