Base | Representation |
---|---|
bin | 100000000000011111… |
… | …1010000110010000101 |
3 | 20120102100000122220100 |
4 | 1000000333100302011 |
5 | 2111232412414144 |
6 | 51324340154313 |
7 | 4652225605662 |
oct | 1000077206205 |
9 | 216370018810 |
10 | 68736060549 |
11 | 27172794712 |
12 | 113a3698999 |
13 | 66356270a0 |
14 | 3480c00a69 |
15 | 1bc4695269 |
hex | 1000fd0c85 |
68736060549 has 48 divisors (see below), whose sum is σ = 108295707520. Its totient is φ = 41759452800.
The previous prime is 68736060539. The next prime is 68736060563. The reversal of 68736060549 is 94506063786.
68736060549 is a `hidden beast` number, since 6 + 8 + 7 + 36 + 0 + 60 + 549 = 666.
It is not a de Polignac number, because 68736060549 - 212 = 68736056453 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 68736060495 and 68736060504.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68736060529) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2867787 + ... + 2891655.
Almost surely, 268736060549 is an apocalyptic number.
It is an amenable number.
68736060549 is a deficient number, since it is larger than the sum of its proper divisors (39559646971).
68736060549 is a wasteful number, since it uses less digits than its factorization.
68736060549 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24202 (or 24199 counting only the distinct ones).
The product of its (nonzero) digits is 6531840, while the sum is 54.
The spelling of 68736060549 in words is "sixty-eight billion, seven hundred thirty-six million, sixty thousand, five hundred forty-nine".
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