Base | Representation |
---|---|
bin | 10001011011011000… |
… | …011101001011010110 |
3 | 1210022010211020111011 |
4 | 101123120131023112 |
5 | 301311012204211 |
6 | 12332512402434 |
7 | 1231503635104 |
oct | 213330351326 |
9 | 53263736434 |
10 | 18713006806 |
11 | 7a33005a8a |
12 | 3762b4641a |
13 | 19c2b74cc0 |
14 | c973ccc74 |
15 | 747c99921 |
hex | 45b61d2d6 |
18713006806 has 8 divisors (see below), whose sum is σ = 30228703344. Its totient is φ = 8636772360.
The previous prime is 18713006777. The next prime is 18713006821. The reversal of 18713006806 is 60860031781.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359865490 + ... + 359865541.
It is an arithmetic number, because the mean of its divisors is an integer number (3778587918).
Almost surely, 218713006806 is an apocalyptic number.
18713006806 is a deficient number, since it is larger than the sum of its proper divisors (11515696538).
18713006806 is a wasteful number, since it uses less digits than its factorization.
18713006806 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 719731046.
The product of its (nonzero) digits is 48384, while the sum is 40.
The spelling of 18713006806 in words is "eighteen billion, seven hundred thirteen million, six thousand, eight hundred six".
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