Base | Representation |
---|---|
bin | 1000000100000100101100… |
… | …0110010010010110111101 |
3 | 1011101120212211110202210212 |
4 | 2001001023012102112331 |
5 | 2130230204021010310 |
6 | 30505003434042205 |
7 | 1603360353164363 |
oct | 201011306222675 |
9 | 34346784422725 |
10 | 8866072438205 |
11 | 2909097831764 |
12 | bb2379879365 |
13 | 4c40b43a9cc8 |
14 | 229197b61633 |
15 | 105960b51205 |
hex | 8104b1925bd |
8866072438205 has 18 divisors (see below), whose sum is σ = 10691643187134. Its totient is φ = 7058123948400.
The previous prime is 8866072438199. The next prime is 8866072438243. The reversal of 8866072438205 is 5028342706688.
It can be written as a sum of positive squares in only one way, i.e., 7092857950564 + 1773214487641 = 2663242^2 + 1331621^2 .
It is not a de Polignac number, because 8866072438205 - 214 = 8866072421821 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1404857000 + ... + 1404863310.
It is an arithmetic number, because the mean of its divisors is an integer number (593980177063).
Almost surely, 28866072438205 is an apocalyptic number.
It is an amenable number.
8866072438205 is a deficient number, since it is larger than the sum of its proper divisors (1825570748929).
8866072438205 is an frugal number, since it uses more digits than its factorization.
8866072438205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13049 (or 6527 counting only the distinct ones).
The product of its (nonzero) digits is 30965760, while the sum is 59.
The spelling of 8866072438205 in words is "eight trillion, eight hundred sixty-six billion, seventy-two million, four hundred thirty-eight thousand, two hundred five".
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