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3940005888000 = 214365371329
BaseRepresentation
bin111001010101011010101…
…001101100000000000000
3111221122211210012001000000
4321111122221230000000
51004023113001404000
612214002544000000
7554441006320440
oct71253251540000
914848753161000
103940005888000
111289a46676326
12537724000000
13227705650590
14d89a9580120
156c74e01c000
hex3955aa6c000

3940005888000 has 3360 divisors, whose sum is σ = 18772439736960. Its totient is φ = 802632499200.

The previous prime is 3940005887989. The next prime is 3940005888047. The reversal of 3940005888000 is 8885000493.

It is a tau number, because it is divible by the number of its divisors (3360).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 135862271986 + ... + 135862272014.

It is an arithmetic number, because the mean of its divisors is an integer number (5587035636).

Almost surely, 23940005888000 is an apocalyptic number.

3940005888000 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 3940005888000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9386219868480).

3940005888000 is an abundant number, since it is smaller than the sum of its proper divisors (14832433848960).

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

3940005888000 is an frugal number, since it uses more digits than its factorization.

3940005888000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 3940005888000 in words is "three trillion, nine hundred forty billion, five million, eight hundred eighty-eight thousand".