Base | Representation |
---|---|
bin | 101000101001100100… |
… | …1010001100000100010 |
3 | 22100022200121012002110 |
4 | 1101103021101200202 |
5 | 2412234314121413 |
6 | 104034043300150 |
7 | 6210143121063 |
oct | 1212311214042 |
9 | 270280535073 |
10 | 87294285858 |
11 | 34026391aaa |
12 | 14b0281a656 |
13 | 83023b79b0 |
14 | 432181c56a |
15 | 240da688c3 |
hex | 1453251822 |
87294285858 has 32 divisors (see below), whose sum is σ = 189171976896. Its totient is φ = 26694992448.
The previous prime is 87294285811. The next prime is 87294285877. The reversal of 87294285858 is 85858249278.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3420285 + ... + 3445712.
It is an arithmetic number, because the mean of its divisors is an integer number (5911624278).
Almost surely, 287294285858 is an apocalyptic number.
87294285858 is an abundant number, since it is smaller than the sum of its proper divisors (101877691038).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87294285858 is a wasteful number, since it uses less digits than its factorization.
87294285858 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6866178.
The product of its digits is 103219200, while the sum is 66.
The spelling of 87294285858 in words is "eighty-seven billion, two hundred ninety-four million, two hundred eighty-five thousand, eight hundred fifty-eight".
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