Base | Representation |
---|---|
bin | 100101010010110011… |
… | …1100000100001100000 |
3 | 21122201110201101101011 |
4 | 1022211213200201200 |
5 | 2303010012240200 |
6 | 100443015550304 |
7 | 5533440562012 |
oct | 1124547404140 |
9 | 248643641334 |
10 | 80088008800 |
11 | 30a68658428 |
12 | 1363138b394 |
13 | 772443a627 |
14 | 3c3a7281b2 |
15 | 213b0a55ba |
hex | 12a59e0860 |
80088008800 has 72 divisors (see below), whose sum is σ = 195980081472. Its totient is φ = 31958976000.
The previous prime is 80088008753. The next prime is 80088008807. The reversal of 80088008800 is 880088008.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (40).
80088008800 is a modest number, since divided by 88008800 gives 800 as remainder.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80088008807) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 217905 + ... + 455695.
It is an arithmetic number, because the mean of its divisors is an integer number (2721945576).
Almost surely, 280088008800 is an apocalyptic number.
80088008800 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 80088008800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97990040736).
80088008800 is an abundant number, since it is smaller than the sum of its proper divisors (115892072672).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80088008800 is a wasteful number, since it uses less digits than its factorization.
80088008800 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 238232 (or 238219 counting only the distinct ones).
The product of its (nonzero) digits is 32768, while the sum is 40.
The spelling of 80088008800 in words is "eighty billion, eighty-eight million, eight thousand, eight hundred".
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