Base | Representation |
---|---|
bin | 101000101101001100… |
… | …0111011000000101011 |
3 | 22100122011022012021122 |
4 | 1101122120323000223 |
5 | 2413011423003043 |
6 | 104054104325455 |
7 | 6213150165632 |
oct | 1213230730053 |
9 | 270564265248 |
10 | 87415828523 |
11 | 34088a57891 |
12 | 14b3747388b |
13 | 8321631b2a |
14 | 4333a1a519 |
15 | 2419576368 |
hex | 145a63b02b |
87415828523 has 2 divisors, whose sum is σ = 87415828524. Its totient is φ = 87415828522.
The previous prime is 87415828471. The next prime is 87415828541. The reversal of 87415828523 is 32582851478.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 87415828523 - 28 = 87415828267 is a prime.
It is not a weakly prime, because it can be changed into another prime (87415848523) 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, 43707914261 + 43707914262.
It is an arithmetic number, because the mean of its divisors is an integer number (43707914262).
Almost surely, 287415828523 is an apocalyptic number.
87415828523 is a deficient number, since it is larger than the sum of its proper divisors (1).
87415828523 is an equidigital number, since it uses as much as digits as its factorization.
87415828523 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 4300800, while the sum is 53.
The spelling of 87415828523 in words is "eighty-seven billion, four hundred fifteen million, eight hundred twenty-eight thousand, five hundred twenty-three".
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