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67485732716220 = 223571337973443863
BaseRepresentation
bin11110101100000101111110…
…01000000011111010111100
322211221120110202011002121020
433112002333020003322330
532321141240033404340
6355310303445504140
720133453240240630
oct1726027710037274
9284846422132536
1067485732716220
111a5595a1850425
12769b22b412050
132b86b53531320
141294480dc0dc0
157c06d35a69d0
hex3d60bf203ebc

67485732716220 has 384 divisors, whose sum is σ = 241314250469376. Its totient is φ = 13711089106944.

The previous prime is 67485732716191. The next prime is 67485732716251. The reversal of 67485732716220 is 2261723758476.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 17874009 + ... + 21317871.

It is an arithmetic number, because the mean of its divisors is an integer number (628422527264).

Almost surely, 267485732716220 is an apocalyptic number.

67485732716220 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67485732716220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120657125234688).

67485732716220 is an abundant number, since it is smaller than the sum of its proper divisors (173828517753156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67485732716220 is a wasteful number, since it uses less digits than its factorization.

67485732716220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3444029 (or 3444027 counting only the distinct ones).

The product of its (nonzero) digits is 47416320, while the sum is 60.

The spelling of 67485732716220 in words is "sixty-seven trillion, four hundred eighty-five billion, seven hundred thirty-two million, seven hundred sixteen thousand, two hundred twenty".