Base | Representation |
---|---|
bin | 10011110010010101000101… |
… | …111110000100111100011101 |
3 | 102102010011201101200111021221 |
4 | 103302111011332010330131 |
5 | 42401230021102112331 |
6 | 505025043400253341 |
7 | 24221045022601105 |
oct | 2362250576047435 |
9 | 372104641614257 |
10 | 87021506285341 |
11 | 25800682719a21 |
12 | 9915426471251 |
13 | 3973128c48574 |
14 | 176bc13170205 |
15 | a0d968240711 |
hex | 4f2545f84f1d |
87021506285341 has 2 divisors, whose sum is σ = 87021506285342. Its totient is φ = 87021506285340.
The previous prime is 87021506285321. The next prime is 87021506285387. The reversal of 87021506285341 is 14358260512078.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 67812754522500 + 19208751762841 = 8234850^2 + 4382779^2 .
It is a cyclic number.
It is not a de Polignac number, because 87021506285341 - 29 = 87021506284829 is a prime.
It is a super-2 number, since 2×870215062853412 (a number of 29 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (87021506285321) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43510753142670 + 43510753142671.
It is an arithmetic number, because the mean of its divisors is an integer number (43510753142671).
Almost surely, 287021506285341 is an apocalyptic number.
It is an amenable number.
87021506285341 is a deficient number, since it is larger than the sum of its proper divisors (1).
87021506285341 is an equidigital number, since it uses as much as digits as its factorization.
87021506285341 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3225600, while the sum is 52.
The spelling of 87021506285341 in words is "eighty-seven trillion, twenty-one billion, five hundred six million, two hundred eighty-five thousand, three hundred forty-one".
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