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First solution in Clear category for Numbers Factory by bogdosh100
def checkio(number):
l = []
for i in range(9, 1, -1):
while(number % i == 0):
l.append(i)
number //= i
if number > 1:
return 0
return int("".join(str(x) for x in l[::-1]))
if __name__ == '__main__':
#These "asserts" using only for self-checking and not necessary for auto-testing
assert checkio(20) == 45, "1st example"
assert checkio(21) == 37, "2nd example"
assert checkio(17) == 0, "3rd example"
assert checkio(33) == 0, "4th example"
assert checkio(3125) == 55555, "5th example"
assert checkio(9973) == 0, "6th example"
June 17, 2017