AQuA-RAT train #26785 · Number Theory · Digits
How many integers between 1 and 10^19 are such that the sum…
How many integers between 1 and 10^19 are such that the sum of their digits is 2?
This problem repeats another one in the library (at most with different numbers), so it's left out of browsing.
AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #26785
Stuck? A gentle nudge
No hints for this one.
Your answer
Checked against the answer in AQuA-RAT.