What's the number of six hexagrams? Please explain it in common language.

Six hexagrams refers to a basic divination, which is the result of the combination of two divination images. Break it into yin and continue it into yang ~ distinguish the hexagrams. Because yin and yang are combined, it is six. Liu Yi has a variable 262 144-* *. . .

I remember there was a buddy in ancient times who played 27 games and was the strongest mathematician in ancient and modern times. . . A * * * is the variable 241785163922925849412352. . . However, under the pressure of ancient Confucianism, most people with superb arithmetic did not pass on their skills.