Base | Representation |
---|---|
bin | 1100001110110010010000111… |
… | …1000100011001101101101101 |
3 | 11011212102100201220211210002211 |
4 | 3003230210033010121231231 |
5 | 1400302401441321100334 |
6 | 12250303403450050421 |
7 | 346201124145514363 |
oct | 30354441704315555 |
9 | 4155370656753084 |
10 | 860681634159469 |
11 | 22a270038617191 |
12 | 80645a49a19a11 |
13 | 2ac32c11b42355 |
14 | 112772db671633 |
15 | 6978487846a64 |
hex | 30ec90f119b6d |
860681634159469 has 2 divisors, whose sum is σ = 860681634159470. Its totient is φ = 860681634159468.
The previous prime is 860681634159341. The next prime is 860681634159497. The reversal of 860681634159469 is 964951436186068.
860681634159469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 844554101031369 + 16127533128100 = 29061213^2 + 4015910^2 .
It is a cyclic number.
It is not a de Polignac number, because 860681634159469 - 27 = 860681634159341 is a prime.
It is a super-2 number, since 2×8606816341594692 (a number of 31 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 860681634159395 and 860681634159404.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (860681634153469) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 430340817079734 + 430340817079735.
It is an arithmetic number, because the mean of its divisors is an integer number (430340817079735).
Almost surely, 2860681634159469 is an apocalyptic number.
It is an amenable number.
860681634159469 is a deficient number, since it is larger than the sum of its proper divisors (1).
860681634159469 is an equidigital number, since it uses as much as digits as its factorization.
860681634159469 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1612431360, while the sum is 76.
The spelling of 860681634159469 in words is "eight hundred sixty trillion, six hundred eighty-one billion, six hundred thirty-four million, one hundred fifty-nine thousand, four hundred sixty-nine".
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