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80828542080 = 2732511313811
BaseRepresentation
bin100101101000111000…
…0011010110010000000
321201122002011101001200
41023101300122302000
52311014101321310
6101044312101200
75561002162116
oct1132160326200
9251562141050
1080828542080
1131308672000
12137b9394800
13781199c1c0
143caac13ab6
1521810d29c0
hex12d1c1ac80

80828542080 has 768 divisors, whose sum is σ = 331024337280. Its totient is φ = 18065203200.

The previous prime is 80828542037. The next prime is 80828542127. The reversal of 80828542080 is 8024582808.

80828542080 is a `hidden beast` number, since 8 + 0 + 8 + 28 + 542 + 0 + 80 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 99664875 + ... + 99665685.

Almost surely, 280828542080 is an apocalyptic number.

80828542080 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 80828542080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165512168640).

80828542080 is an abundant number, since it is smaller than the sum of its proper divisors (250195795200).

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

80828542080 is a wasteful number, since it uses less digits than its factorization.

80828542080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882 (or 845 counting only the distinct ones).

The product of its (nonzero) digits is 327680, while the sum is 45.

The spelling of 80828542080 in words is "eighty billion, eight hundred twenty-eight million, five hundred forty-two thousand, eighty".