Base | Representation |
---|---|
bin | 10000100011110001… |
… | …00010000100101000 |
3 | 211221120001002221220 |
4 | 20101320202010220 |
5 | 121201312420023 |
6 | 4030050502040 |
7 | 433205320545 |
oct | 102170420450 |
9 | 24846032856 |
10 | 8889966888 |
11 | 3852177780 |
12 | 1881294920 |
13 | ab8a35b4a |
14 | 604971bcc |
15 | 3706e43e3 |
hex | 211e22128 |
8889966888 has 64 divisors (see below), whose sum is σ = 24809241600. Its totient is φ = 2631276480.
The previous prime is 8889966863. The next prime is 8889966889. The reversal of 8889966888 is 8886699888.
It is a super-2 number, since 2×88899668882 (a number of 21 digits) contains 22 as substring.
8889966888 is a strobogrammatic number because it is the same when read upside-down.
It is a zygodrome in base 10.
It is not an unprimeable number, because it can be changed into a prime (8889966889) 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 15 ways as a sum of consecutive naturals, for example, 380208 + ... + 402911.
It is an arithmetic number, because the mean of its divisors is an integer number (387644400).
Almost surely, 28889966888 is an apocalyptic number.
8889966888 is a gapful number since it is divisible by the number (88) formed by its first and last digit.
It is an amenable number.
8889966888 is an abundant number, since it is smaller than the sum of its proper divisors (15919274712).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8889966888 is a wasteful number, since it uses less digits than its factorization.
8889966888 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 783182 (or 783178 counting only the distinct ones).
The product of its digits is 764411904, while the sum is 78.
The square root of 8889966888 is about 94286.6209384979. The cubic root of 8889966888 is about 2071.5720737646.
The spelling of 8889966888 in words is "eight billion, eight hundred eighty-nine million, nine hundred sixty-six thousand, eight hundred eighty-eight".
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