Base | Representation |
---|---|
bin | 111111101001101100… |
… | …011000010000011100 |
3 | 20112102002121122022000 |
4 | 333221230120100130 |
5 | 2104432340000320 |
6 | 51221455322300 |
7 | 4636441623216 |
oct | 775154302034 |
9 | 215362548260 |
10 | 68345234460 |
11 | 26a92115248 |
12 | 112b4820390 |
13 | 65a2678349 |
14 | 3444d475b6 |
15 | 1ba01e4c90 |
hex | fe9b1841c |
68345234460 has 48 divisors (see below), whose sum is σ = 212629620000. Its totient is φ = 18225395712.
The previous prime is 68345234443. The next prime is 68345234479. The reversal of 68345234460 is 6443254386.
68345234460 is a `hidden beast` number, since 6 + 83 + 4 + 523 + 4 + 46 + 0 = 666.
68345234460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63282085 + ... + 63283164.
It is an arithmetic number, because the mean of its divisors is an integer number (4429783750).
Almost surely, 268345234460 is an apocalyptic number.
68345234460 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
68345234460 is an abundant number, since it is smaller than the sum of its proper divisors (144284385540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68345234460 is a wasteful number, since it uses less digits than its factorization.
68345234460 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 126565267 (or 126565259 counting only the distinct ones).
The product of its (nonzero) digits is 1658880, while the sum is 45.
The spelling of 68345234460 in words is "sixty-eight billion, three hundred forty-five million, two hundred thirty-four thousand, four hundred sixty".
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