12 citations · 106 across the 43 of their papers we have counts for
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math.NT2014★ 2 cited
On the sum of digits of the factorial
Carlo Sanna
Let b > 1 be an integer and denote by s_b(m) the sum of the digits of the positive integer m when is written in base b. We prove that s_b(n!) > C_b log n log log log n for each int…
math.CO2014★ 1 cited
Counting arithmetic formulas
Edinah K. Gnang, Maksym Radziwill, Carlo Sanna
An arithmetic formula is an expression involving only the constant , and the binary operations of addition and multiplication, with multiplication by not allowed. We obtain…