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80383467648 = 273112329103277
BaseRepresentation
bin100101011011100111…
…0100110000010000000
321200111001200020201110
41022313032212002000
52304111131431043
6100532212403320
75543656126041
oct1126716460200
9250431606643
1080383467648
11310aa40aaa0
12136b4316540
137770708453
143c67a788c8
152156eb8b33
hex12b73a6080

80383467648 has 512 divisors, whose sum is σ = 254795673600. Its totient is φ = 22197288960.

The previous prime is 80383467631. The next prime is 80383467691. The reversal of 80383467648 is 84676438308.

It is a super-2 number, since 2×803834676482 (a number of 23 digits) contains 22 as substring.

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, 290192886 + ... + 290193162.

It is an arithmetic number, because the mean of its divisors is an integer number (497647800).

Almost surely, 280383467648 is an apocalyptic number.

80383467648 is a gapful number since it is divisible by the number (88) 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 80383467648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127397836800).

80383467648 is an abundant number, since it is smaller than the sum of its proper divisors (174412205952).

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

80383467648 is a wasteful number, since it uses less digits than its factorization.

80383467648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 57.

The spelling of 80383467648 in words is "eighty billion, three hundred eighty-three million, four hundred sixty-seven thousand, six hundred forty-eight".