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80394022800 = 24355271361149
BaseRepresentation
bin100101011011111011…
…0110110111110010000
321200111210112111200000
41022313312312332100
52304121332212200
6100533230530000
75544144630060
oct1126766667620
9250453474600
1080394022800
113110536a263
12136b7966900
1377729628c0
143c692253a0
152157da1300
hex12b7db6f90

80394022800 has 1440 divisors, whose sum is σ = 364355846400. Its totient is φ = 16572211200.

The previous prime is 80394022721. The next prime is 80394022811. The reversal of 80394022800 is 822049308.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 539557126 + ... + 539557274.

Almost surely, 280394022800 is an apocalyptic number.

80394022800 is a gapful number since it is divisible by the number (80) 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 80394022800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182177923200).

80394022800 is an abundant number, since it is smaller than the sum of its proper divisors (283961823600).

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

80394022800 is a wasteful number, since it uses less digits than its factorization.

80394022800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 80394022800 in words is "eighty billion, three hundred ninety-four million, twenty-two thousand, eight hundred".