Base | Representation |
---|---|
bin | 100100101110010011… |
… | …0011111100000010100 |
3 | 21112120002122210001120 |
4 | 1021130212133200110 |
5 | 2243002412140331 |
6 | 100121255523540 |
7 | 5461204326315 |
oct | 1113446374024 |
9 | 245502583046 |
10 | 78863005716 |
11 | 3049a124490 |
12 | 1334b0895b0 |
13 | 758a700731 |
14 | 3b61b6a60c |
15 | 20b877b796 |
hex | 125c99f814 |
78863005716 has 48 divisors (see below), whose sum is σ = 200759344128. Its totient is φ = 23895839200.
The previous prime is 78863005691. The next prime is 78863005717. The reversal of 78863005716 is 61750036887.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (78863005717) 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 in 15 ways as a sum of consecutive naturals, for example, 2384791 + ... + 2417633.
It is an arithmetic number, because the mean of its divisors is an integer number (4182486336).
Almost surely, 278863005716 is an apocalyptic number.
It is an amenable number.
78863005716 is an abundant number, since it is smaller than the sum of its proper divisors (121896338412).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78863005716 is a wasteful number, since it uses less digits than its factorization.
78863005716 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51052 (or 51050 counting only the distinct ones).
The product of its (nonzero) digits is 1693440, while the sum is 51.
The spelling of 78863005716 in words is "seventy-eight billion, eight hundred sixty-three million, five thousand, seven hundred sixteen".
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