Base | Representation |
---|---|
bin | 110100110010010001… |
… | …011010100001101011 |
3 | 12102021222122202110212 |
4 | 310302101122201223 |
5 | 1412034032010442 |
6 | 42012034131335 |
7 | 4044351025454 |
oct | 646221324153 |
9 | 172258582425 |
10 | 56678000747 |
11 | 22045287935 |
12 | ab99420b4b |
13 | 5463444764 |
14 | 2a595cc12b |
15 | 171aca6a82 |
hex | d3245a86b |
56678000747 has 2 divisors, whose sum is σ = 56678000748. Its totient is φ = 56678000746.
The previous prime is 56678000719. The next prime is 56678000761. The reversal of 56678000747 is 74700087665.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-56678000747 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 56678000695 and 56678000704.
It is not a weakly prime, because it can be changed into another prime (56678000707) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28339000373 + 28339000374.
It is an arithmetic number, because the mean of its divisors is an integer number (28339000374).
Almost surely, 256678000747 is an apocalyptic number.
56678000747 is a deficient number, since it is larger than the sum of its proper divisors (1).
56678000747 is an equidigital number, since it uses as much as digits as its factorization.
56678000747 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1975680, while the sum is 50.
The spelling of 56678000747 in words is "fifty-six billion, six hundred seventy-eight million, seven hundred forty-seven", and thus it is an aban number.
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