
CentoZeri: Numeri Giganti
Big numbers for curious kids
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Free
In-App Purchases
About
How big is infinity? And a googol? Can there be a number so large you couldn't write it even using every atom in the universe?
CentoZeri is a journey from you all the way to infinity. One stop at a time, each number becomes something you can truly grasp: how much all the ants on Earth weigh, how many stars are in the Milky Way, how many ways there are to shuffle a deck of cards. Your guide is Doc Aleph.
• 26 stops, from you to Graham's number and infinity
• "Guess and reveal" games and hands-on experiments
• The stories of the mathematicians who invented these numbers
• Simple words, made for children but fascinating for grown-ups too
For parents: no advertising, no data collected, works entirely offline.
CentoZeri doesn't teach you to do sums: it makes you want to look at numbers the way you look at the night sky.
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What's New in CentoZeri
1.0
August 26, 2026
1
In-App Purchases
$4.99
Beyond the Googol
Unlock all stops, forever




