| Base | Representation |
|---|---|
| bin | 110111101001101011010011… |
| … | …1110001000011001001000000 |
| 3 | 2101012012222221011000120110000 |
| 4 | 1233103112213301003021000 |
| 5 | 1003130140333300430000 |
| 6 | 4453035120205240000 |
| 7 | 205052104335204000 |
| oct | 15723264761031100 |
| 9 | 2335188834016400 |
| 10 | 489513122280000 |
| 11 | 131a79392a45565 |
| 12 | 46a9ab0a263000 |
| 13 | 1801ab73c04030 |
| 14 | 88c47c0bc4000 |
| 15 | 3b8d55ddd0000 |
| hex | 1bd35a7c43240 |
489513122280000 has 5600 divisors, whose sum is σ = 2352856564889600. Its totient is φ = 99858769920000.
The previous prime is 489513122279983. The next prime is 489513122280023. The reversal of 489513122280000 is 82221315984.
489513122280000 is a `hidden beast` number, since 4 + 8 + 9 + 51 + 312 + 2 + 280 + 0 + 0 + 0 = 666.
It is a tau number, because it is divible by the number of its divisors (5600).
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 799 ways as a sum of consecutive naturals, for example, 447861959454 + ... + 447861960546.
It is an arithmetic number, because the mean of its divisors is an integer number (420152958016).
Almost surely, 2489513122280000 is an apocalyptic number.
489513122280000 is a gapful number since it is divisible by the number (40) 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 489513122280000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1176428282444800).
489513122280000 is an abundant number, since it is smaller than the sum of its proper divisors (1863343442609600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
489513122280000 is a wasteful number, since it uses less digits than its factorization.
489513122280000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1202 (or 1154 counting only the distinct ones).
The product of its (nonzero) digits is 276480, while the sum is 45.
Adding to 489513122280000 its reverse (82221315984), we get a palindrome (489595343595984).
The spelling of 489513122280000 in words is "four hundred eighty-nine trillion, five hundred thirteen billion, one hundred twenty-two million, two hundred eighty thousand".
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