Base | Representation |
---|---|
bin | 10000001001100000… |
… | …10011000111011111 |
3 | 211101012120122000000 |
4 | 20010300103013133 |
5 | 120223421022141 |
6 | 3552141505343 |
7 | 424562162625 |
oct | 100460230737 |
9 | 24335518000 |
10 | 8669704671 |
11 | 3749905491 |
12 | 181b572253 |
13 | a82205c84 |
14 | 5c35d7515 |
15 | 35b1d65b6 |
hex | 204c131df |
8669704671 has 28 divisors (see below), whose sum is σ = 13007924160. Its totient is φ = 5775662880.
The previous prime is 8669704643. The next prime is 8669704679. The reversal of 8669704671 is 1764079668.
It is a happy number.
It is not a de Polignac number, because 8669704671 - 26 = 8669704607 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8669704679) by changing a digit.
It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1278931 + ... + 1285691.
It is an arithmetic number, because the mean of its divisors is an integer number (464568720).
Almost surely, 28669704671 is an apocalyptic number.
8669704671 is a gapful number since it is divisible by the number (81) formed by its first and last digit.
8669704671 is a deficient number, since it is larger than the sum of its proper divisors (4338219489).
8669704671 is an equidigital number, since it uses as much as digits as its factorization.
8669704671 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8538 (or 8523 counting only the distinct ones).
The product of its (nonzero) digits is 3048192, while the sum is 54.
The square root of 8669704671 is about 93111.2488961457. The cubic root of 8669704671 is about 2054.3200329064.
The spelling of 8669704671 in words is "eight billion, six hundred sixty-nine million, seven hundred four thousand, six hundred seventy-one".
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