Base | Representation |
---|---|
bin | 10100000011111110110… |
… | …10101110100000000000 |
3 | 2102220021202200020022121 |
4 | 22001333122232200000 |
5 | 42243223103330000 |
6 | 1244401443214024 |
7 | 100542205255063 |
oct | 12017732564000 |
9 | 2386252606277 |
10 | 689332480000 |
11 | 246387239a6a |
12 | b1720077314 |
13 | 500083a3128 |
14 | 255146608da |
15 | 12de77e0b1a |
hex | a07f6ae800 |
689332480000 has 240 divisors, whose sum is σ = 1735929074880. Its totient is φ = 273561600000.
The previous prime is 689332479973. The next prime is 689332480073. The reversal of 689332480000 is 84233986.
It is an unprimeable number.
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 19 ways as a sum of consecutive naturals, for example, 167677945 + ... + 167682055.
It is an arithmetic number, because the mean of its divisors is an integer number (7233037812).
Almost surely, 2689332480000 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 689332480000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (867964537440).
689332480000 is an abundant number, since it is smaller than the sum of its proper divisors (1046596594880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
689332480000 is an equidigital number, since it uses as much as digits as its factorization.
689332480000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4284 (or 4249 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 43.
The spelling of 689332480000 in words is "six hundred eighty-nine billion, three hundred thirty-two million, four hundred eighty thousand".
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