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3928094563680 = 2533572341139991
BaseRepresentation
bin111001001010010100101…
…011100101110101100000
3111220112002122221001211000
4321022110223211311200
51003324214202014210
612204313002552000
7553536562612410
oct71122453456540
914815078831730
103928094563680
111284993a81041
1253535ab08600
13226557995c91
14d8199646640
156c2a3465ac0
hex39294ae5d60

3928094563680 has 1536 divisors, whose sum is σ = 16933316198400. Its totient is φ = 830999347200.

The previous prime is 3928094563637. The next prime is 3928094563681. The reversal of 3928094563680 is 863654908293.

3928094563680 is a `hidden beast` number, since 3 + 9 + 2 + 8 + 0 + 9 + 4 + 563 + 68 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3928094563681) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 3963767985 + ... + 3963768975.

It is an arithmetic number, because the mean of its divisors is an integer number (11024294400).

Almost surely, 23928094563680 is an apocalyptic number.

3928094563680 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 3928094563680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8466658099200).

3928094563680 is an abundant number, since it is smaller than the sum of its proper divisors (13005221634720).

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

3928094563680 is a wasteful number, since it uses less digits than its factorization.

3928094563680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225 (or 1211 counting only the distinct ones).

The product of its (nonzero) digits is 67184640, while the sum is 63.

The spelling of 3928094563680 in words is "three trillion, nine hundred twenty-eight billion, ninety-four million, five hundred sixty-three thousand, six hundred eighty".