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3863686968960 = 2735713109202877
BaseRepresentation
bin111000001110010101101…
…100000111011010000000
3111200100211222200020202220
4320032111230013122000
51001300312331001320
612114541524411040
7546066523235340
oct70162554073200
914610758606686
103863686968960
11125a642627915
12524984b46a80
13220462046ca0
14d500965cd20
156a783cc8e40
hex38395b07680

3863686968960 has 512 divisors, whose sum is σ = 15296676595200. Its totient is φ = 807712653312.

The previous prime is 3863686968937. The next prime is 3863686968989. The reversal of 3863686968960 is 698696863683.

It is a super-2 number, since 2×38636869689602 (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (78).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18943042 + ... + 19145918.

It is an arithmetic number, because the mean of its divisors is an integer number (29876321475).

Almost surely, 23863686968960 is an apocalyptic number.

3863686968960 is a gapful number since it is divisible by the number (30) 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 3863686968960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7648338297600).

3863686968960 is an abundant number, since it is smaller than the sum of its proper divisors (11432989626240).

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

3863686968960 is a wasteful number, since it uses less digits than its factorization.

3863686968960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203028 (or 203016 counting only the distinct ones).

The product of its (nonzero) digits is 2902376448, while the sum is 78.

The spelling of 3863686968960 in words is "three trillion, eight hundred sixty-three billion, six hundred eighty-six million, nine hundred sixty-eight thousand, nine hundred sixty".