Base | Representation |
---|---|
bin | 10000101111011101… |
… | …00011001110001001 |
3 | 212012101112101120000 |
4 | 20113232203032021 |
5 | 121401412412244 |
6 | 4043512153213 |
7 | 435505565562 |
oct | 102756431611 |
9 | 25171471500 |
10 | 8988013449 |
11 | 38a2554598 |
12 | 18aa098809 |
13 | b0314446c |
14 | 6139b5169 |
15 | 379110169 |
hex | 217ba3389 |
8988013449 has 40 divisors (see below), whose sum is σ = 13685100000. Its totient is φ = 5877085248.
The previous prime is 8988013429. The next prime is 8988013457. The reversal of 8988013449 is 9443108898.
8988013449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 8988013449 - 224 = 8971236233 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 8988013395 and 8988013404.
It is not an unprimeable number, because it can be changed into a prime (8988013409) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2382837 + ... + 2386605.
It is an arithmetic number, because the mean of its divisors is an integer number (342127500).
Almost surely, 28988013449 is an apocalyptic number.
It is an amenable number.
8988013449 is a deficient number, since it is larger than the sum of its proper divisors (4697086551).
8988013449 is a wasteful number, since it uses less digits than its factorization.
8988013449 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4339 (or 4330 counting only the distinct ones).
The product of its (nonzero) digits is 1990656, while the sum is 54.
The square root of 8988013449 is about 94805.1340856601. The cubic root of 8988013449 is about 2079.1599672017.
The spelling of 8988013449 in words is "eight billion, nine hundred eighty-eight million, thirteen thousand, four hundred forty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.097 sec. • engine limits •