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3894750720000 = 21232547193141
BaseRepresentation
bin111000101011010001001…
…110111011000000000000
3111210100000212121022020200
4320223101032323000000
51002302422141020000
612141120200405200
7551246360614230
oct70532116730000
914710025538220
103894750720000
111271833277838
1252a9b4176800
1322337290a66a
14d671508bcc0
156b4a0ec8500
hex38ad13bb000

3894750720000 has 3120 divisors, whose sum is σ = 17883419473920. Its totient is φ = 796262400000.

The previous prime is 3894750719989. The next prime is 3894750720011. The reversal of 3894750720000 is 270574983.

3894750720000 is a `hidden beast` number, since 3 + 89 + 47 + 507 + 20 + 0 + 0 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (3894750719989) and next prime (3894750720011).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 94993919980 + ... + 94993920020.

It is an arithmetic number, because the mean of its divisors is an integer number (5731865216).

Almost surely, 23894750720000 is an apocalyptic number.

3894750720000 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 3894750720000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8941709736960).

3894750720000 is an abundant number, since it is smaller than the sum of its proper divisors (13988668753920).

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

3894750720000 is a wasteful number, since it uses less digits than its factorization.

3894750720000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 3894750720000 in words is "three trillion, eight hundred ninety-four billion, seven hundred fifty million, seven hundred twenty thousand".