Base | Representation |
---|---|
bin | 10110010111111100011… |
… | …00010001010101001111 |
3 | 2201111022211010211001212 |
4 | 23023332030101111033 |
5 | 100043414303331041 |
6 | 1345100103325035 |
7 | 106353544023632 |
oct | 13137614212517 |
9 | 2644284124055 |
10 | 768768808271 |
11 | 27703aa50142 |
12 | 104bab15077b |
13 | 576577bb879 |
14 | 292cc5cbc19 |
15 | 14ee656a8eb |
hex | b2fe31154f |
768768808271 has 4 divisors (see below), whose sum is σ = 768830773200. Its totient is φ = 768706843344.
The previous prime is 768768808231. The next prime is 768768808273. The reversal of 768768808271 is 172808867867.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 172808867867 = 73351 ⋅2355917.
It is a cyclic number.
It is not a de Polignac number, because 768768808271 - 218 = 768768546127 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (768768808273) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30963851 + ... + 30988668.
It is an arithmetic number, because the mean of its divisors is an integer number (192207693300).
Almost surely, 2768768808271 is an apocalyptic number.
768768808271 is a deficient number, since it is larger than the sum of its proper divisors (61964929).
768768808271 is a wasteful number, since it uses less digits than its factorization.
768768808271 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61964928.
The product of its (nonzero) digits is 101154816, while the sum is 68.
The spelling of 768768808271 in words is "seven hundred sixty-eight billion, seven hundred sixty-eight million, eight hundred eight thousand, two hundred seventy-one".
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