Base | Representation |
---|---|
bin | 111010111101111… |
… | …010110000111100 |
3 | 2112221120011012120 |
4 | 322331322300330 |
5 | 4011230410022 |
6 | 242100202540 |
7 | 33341665515 |
oct | 7275726074 |
9 | 2487504176 |
10 | 989310012 |
11 | 468492289 |
12 | 237399450 |
13 | 129c66552 |
14 | 95567a0c |
15 | 5bcbdd5c |
hex | 3af7ac3c |
989310012 has 48 divisors (see below), whose sum is σ = 2437411200. Its totient is φ = 311446080.
The previous prime is 989310011. The next prime is 989310013. The reversal of 989310012 is 210013989.
It is an interprime number because it is at equal distance from previous prime (989310011) and next prime (989310013).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (989310011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68914 + ... + 82022.
It is an arithmetic number, because the mean of its divisors is an integer number (50779400).
Almost surely, 2989310012 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 989310012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1218705600).
989310012 is an abundant number, since it is smaller than the sum of its proper divisors (1448101188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
989310012 is a wasteful number, since it uses less digits than its factorization.
989310012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13466 (or 13464 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 33.
The square root of 989310012 is about 31453.2989048844. The cubic root of 989310012 is about 996.4238974012.
The spelling of 989310012 in words is "nine hundred eighty-nine million, three hundred ten thousand, twelve".
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