| Base | Representation |
|---|---|
| bin | 10000110000001010… |
| … | …10001001101100000 |
| 3 | 212012210201222000200 |
| 4 | 20120011101031200 |
| 5 | 121404424001432 |
| 6 | 4044243545200 |
| 7 | 435610321641 |
| oct | 103005211540 |
| 9 | 25183658020 |
| 10 | 8993968992 |
| 11 | 38a5952028 |
| 12 | 18b008b200 |
| 13 | b0444b158 |
| 14 | 6146c56c8 |
| 15 | 3798d9a7c |
| hex | 218151360 |
8993968992 has 144 divisors (see below), whose sum is σ = 26582774400. Its totient is φ = 2881382400.
The previous prime is 8993968987. The next prime is 8993968999. The reversal of 8993968992 is 2998693998.
It is a tau number, because it is divible by the number of its divisors (144).
It is a Harshad number since it is a multiple of its sum of digits (72).
It is a nude number because it is divisible by every one of its digits.
It is a self number, because there is not a number n which added to its sum of digits gives 8993968992.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8993968999) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1326892 + ... + 1333652.
It is an arithmetic number, because the mean of its divisors is an integer number (184602600).
Almost surely, 28993968992 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 8993968992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13291387200).
8993968992 is an abundant number, since it is smaller than the sum of its proper divisors (17588805408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8993968992 is a wasteful number, since it uses less digits than its factorization.
8993968992 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6957 (or 6946 counting only the distinct ones).
The product of its digits is 136048896, while the sum is 72.
The square root of 8993968992 is about 94836.5382750762. The cubic root of 8993968992 is about 2079.6190895183.
The spelling of 8993968992 in words is "eight billion, nine hundred ninety-three million, nine hundred sixty-eight thousand, nine hundred ninety-two".
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