Base | Representation |
---|---|
bin | 11111001001100111111110… |
… | …00011100111011101110101 |
3 | 22222112120112212201121222101 |
4 | 33210303333003213131311 |
5 | 32434302323344343043 |
6 | 401404353555502101 |
7 | 20266664130234442 |
oct | 1744637703473565 |
9 | 288476485647871 |
10 | 68500417574773 |
11 | 1a90a955a11958 |
12 | 7823a0b2b7931 |
13 | 2c2b73bc76282 |
14 | 12cb61b8569c9 |
15 | 7dbcbe13224d |
hex | 3e4cff0e7775 |
68500417574773 has 2 divisors, whose sum is σ = 68500417574774. Its totient is φ = 68500417574772.
The previous prime is 68500417574741. The next prime is 68500417574819. The reversal of 68500417574773 is 37747571400586.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 53242151945284 + 15258265629489 = 7296722^2 + 3906183^2 .
It is a cyclic number.
It is not a de Polignac number, because 68500417574773 - 25 = 68500417574741 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (68500417572773) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34250208787386 + 34250208787387.
It is an arithmetic number, because the mean of its divisors is an integer number (34250208787387).
Almost surely, 268500417574773 is an apocalyptic number.
It is an amenable number.
68500417574773 is a deficient number, since it is larger than the sum of its proper divisors (1).
68500417574773 is an equidigital number, since it uses as much as digits as its factorization.
68500417574773 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 138297600, while the sum is 64.
The spelling of 68500417574773 in words is "sixty-eight trillion, five hundred billion, four hundred seventeen million, five hundred seventy-four thousand, seven hundred seventy-three".
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