Base | Representation |
---|---|
bin | 10000101111101110… |
… | …11000010000000000 |
3 | 212012112212222021000 |
4 | 20113313120100000 |
5 | 121403010442213 |
6 | 4044033532000 |
7 | 435534345150 |
oct | 102767302000 |
9 | 25175788230 |
10 | 8990327808 |
11 | 38a3895390 |
12 | 18aaa14000 |
13 | b037749c7 |
14 | 614018760 |
15 | 37941ac73 |
hex | 217dd8400 |
8990327808 has 704 divisors, whose sum is σ = 34334576640. Its totient is φ = 2256076800.
The previous prime is 8990327807. The next prime is 8990327851. The reversal of 8990327808 is 8087230998.
It is a tau number, because it is divible by the number of its divisors (704).
It is a Harshad number since it is a multiple of its sum of digits (54).
It is not an unprimeable number, because it can be changed into a prime (8990327807) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 87284685 + ... + 87284787.
Almost surely, 28990327808 is an apocalyptic number.
8990327808 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 8990327808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17167288320).
8990327808 is an abundant number, since it is smaller than the sum of its proper divisors (25344248832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8990327808 is a wasteful number, since it uses less digits than its factorization.
8990327808 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 191 (or 167 counting only the distinct ones).
The product of its (nonzero) digits is 1741824, while the sum is 54.
The square root of 8990327808 is about 94817.3391738030. The cubic root of 8990327808 is about 2079.3384089177.
It can be divided in two parts, 89903 and 27808, that added together give a palindrome (117711).
The spelling of 8990327808 in words is "eight billion, nine hundred ninety million, three hundred twenty-seven thousand, eight hundred eight".
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