Base | Representation |
---|---|
bin | 10011110011110000010101… |
… | …100011010011011111010111 |
3 | 102102110112121020010212002111 |
4 | 103303300111203103133113 |
5 | 42404331142410132341 |
6 | 505142045154451451 |
7 | 24231113612316052 |
oct | 2363602543233727 |
9 | 372415536125074 |
10 | 87119478208471 |
11 | 25839188280935 |
12 | 9930408b93b87 |
13 | 397c440530107 |
14 | 1772868b07a99 |
15 | a1129e3bd681 |
hex | 4f3c158d37d7 |
87119478208471 has 2 divisors, whose sum is σ = 87119478208472. Its totient is φ = 87119478208470.
The previous prime is 87119478208459. The next prime is 87119478208531. The reversal of 87119478208471 is 17480287491178.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 87119478208471 - 229 = 87118941337559 is a prime.
It is a super-3 number, since 3×871194782084713 (a number of 43 digits) contains 333 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 87119478208397 and 87119478208406.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (87119478208171) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43559739104235 + 43559739104236.
It is an arithmetic number, because the mean of its divisors is an integer number (43559739104236).
Almost surely, 287119478208471 is an apocalyptic number.
87119478208471 is a deficient number, since it is larger than the sum of its proper divisors (1).
87119478208471 is an equidigital number, since it uses as much as digits as its factorization.
87119478208471 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 50577408, while the sum is 67.
The spelling of 87119478208471 in words is "eighty-seven trillion, one hundred nineteen billion, four hundred seventy-eight million, two hundred eight thousand, four hundred seventy-one".
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