Base | Representation |
---|---|
bin | 10001011011011000… |
… | …011101001011010111 |
3 | 1210022010211020111012 |
4 | 101123120131023113 |
5 | 301311012204212 |
6 | 12332512402435 |
7 | 1231503635105 |
oct | 213330351327 |
9 | 53263736435 |
10 | 18713006807 |
11 | 7a33005a90 |
12 | 3762b4641b |
13 | 19c2b74cc1 |
14 | c973ccc75 |
15 | 747c99922 |
hex | 45b61d2d7 |
18713006807 has 16 divisors (see below), whose sum is σ = 21134172672. Its totient is φ = 16421757120.
The previous prime is 18713006777. The next prime is 18713006821. The reversal of 18713006807 is 70860031781.
It is a cyclic number.
It is not a de Polignac number, because 18713006807 - 232 = 14418039511 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18713006827) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210173 + ... + 285654.
It is an arithmetic number, because the mean of its divisors is an integer number (1320885792).
Almost surely, 218713006807 is an apocalyptic number.
18713006807 is a deficient number, since it is larger than the sum of its proper divisors (2421165865).
18713006807 is a wasteful number, since it uses less digits than its factorization.
18713006807 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 495958.
The product of its (nonzero) digits is 56448, while the sum is 41.
The spelling of 18713006807 in words is "eighteen billion, seven hundred thirteen million, six thousand, eight hundred seven".
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