| Base | Representation |
|---|---|
| bin | 111001111111001100010000… |
| … | …100001101000111110101000 |
| 3 | 1020102222201221122220202220122 |
| 4 | 321333030100201220332220 |
| 5 | 231411412233410320430 |
| 6 | 2302223404412342412 |
| 7 | 104501251255135361 |
| oct | 7177142041507650 |
| 9 | 1212881848822818 |
| 10 | 255031140323240 |
| 11 | 74296110078726 |
| 12 | 2472a8b0a74a08 |
| 13 | ac3c444469888 |
| 14 | 46d9804656b68 |
| 15 | 1e73e2a1e7ee5 |
| hex | e7f310868fa8 |
255031140323240 has 192 divisors, whose sum is σ = 641959482715200. Its totient is φ = 90913442660352.
The previous prime is 255031140323227. The next prime is 255031140323249. The reversal of 255031140323240 is 42323041130552.
255031140323240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 255031140323240.
It is not an unprimeable number, because it can be changed into a prime (255031140323249) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 444923864 + ... + 445496696.
It is an arithmetic number, because the mean of its divisors is an integer number (3343538972475).
Almost surely, 2255031140323240 is an apocalyptic number.
255031140323240 is a gapful number since it is divisible by the number (20) 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 255031140323240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320979741357600).
255031140323240 is an abundant number, since it is smaller than the sum of its proper divisors (386928342391960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
255031140323240 is a wasteful number, since it uses less digits than its factorization.
255031140323240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 574924 (or 574903 counting only the distinct ones).
The product of its (nonzero) digits is 86400, while the sum is 35.
Adding to 255031140323240 its reverse (42323041130552), we get a palindrome (297354181453792).
The spelling of 255031140323240 in words is "two hundred fifty-five trillion, thirty-one billion, one hundred forty million, three hundred twenty-three thousand, two hundred forty".
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