Base | Representation |
---|---|
bin | 1101000100111110000011… |
… | …01101100111010001111111 |
3 | 10202211020120100222000122102 |
4 | 12202133001231213101333 |
5 | 12232132444314204113 |
6 | 141055134001135315 |
7 | 6025462302543515 |
oct | 642370155472177 |
9 | 122736510860572 |
10 | 28758056006783 |
11 | 918824a993064 |
12 | 328560692a53b |
13 | 1307b4710715c |
14 | 715c7c4184b5 |
15 | 34d0e2b08758 |
hex | 1a27c1b6747f |
28758056006783 has 2 divisors, whose sum is σ = 28758056006784. Its totient is φ = 28758056006782.
The previous prime is 28758056006759. The next prime is 28758056006803. The reversal of 28758056006783 is 38760065085782.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 28758056006783 - 214 = 28758055990399 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (28758056009783) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14379028003391 + 14379028003392.
It is an arithmetic number, because the mean of its divisors is an integer number (14379028003392).
Almost surely, 228758056006783 is an apocalyptic number.
28758056006783 is a deficient number, since it is larger than the sum of its proper divisors (1).
28758056006783 is an equidigital number, since it uses as much as digits as its factorization.
28758056006783 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 135475200, while the sum is 65.
The spelling of 28758056006783 in words is "twenty-eight trillion, seven hundred fifty-eight billion, fifty-six million, six thousand, seven hundred eighty-three".
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