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80843384573952 = 21237111322329473
BaseRepresentation
bin10010011000011011010001…
…001110000101000000000000
3101121020112220110201110201220
4102120123101032011000000
541044014222422331302
6443534534350555040
723012512301531610
oct2230332116050000
9347215813643656
1080843384573952
112383953a011430
129097ba5b08a80
133615663145710
1415d6baabdaa40
15952dc691e4bc
hex4986d1385000

80843384573952 has 832 divisors, whose sum is σ = 290725605359616. Its totient is φ = 19295455150080.

The previous prime is 80843384573933. The next prime is 80843384573977. The reversal of 80843384573952 is 25937548334808.

It is a tau number, because it is divible by the number of its divisors (832).

It is a congruent number.

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, 2742949488 + ... + 2742978960.

Almost surely, 280843384573952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80843384573952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145362802679808).

80843384573952 is an abundant number, since it is smaller than the sum of its proper divisors (209882220785664).

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

80843384573952 is a wasteful number, since it uses less digits than its factorization.

80843384573952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29754 (or 29732 counting only the distinct ones).

The product of its (nonzero) digits is 696729600, while the sum is 69.

The spelling of 80843384573952 in words is "eighty trillion, eight hundred forty-three billion, three hundred eighty-four million, five hundred seventy-three thousand, nine hundred fifty-two".