Base | Representation |
---|---|
bin | 10001000000110111… |
… | …111001100011011111 |
3 | 1202011010221222222020 |
4 | 101000313321203133 |
5 | 244403133432141 |
6 | 12220424151223 |
7 | 1214463454566 |
oct | 210067714337 |
9 | 52133858866 |
10 | 18268264671 |
11 | 7824a606a8 |
12 | 365a008513 |
13 | 1951999587 |
14 | c542dcbdd |
15 | 71dbe9266 |
hex | 440df98df |
18268264671 has 32 divisors (see below), whose sum is σ = 26740482048. Its totient is φ = 11057967360.
The previous prime is 18268264661. The next prime is 18268264687. The reversal of 18268264671 is 17646286281.
It is not a de Polignac number, because 18268264671 - 27 = 18268264543 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18268264631) 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 31 ways as a sum of consecutive naturals, for example, 17410 + ... + 191936.
It is an arithmetic number, because the mean of its divisors is an integer number (835640064).
Almost surely, 218268264671 is an apocalyptic number.
18268264671 is a deficient number, since it is larger than the sum of its proper divisors (8472217377).
18268264671 is a wasteful number, since it uses less digits than its factorization.
18268264671 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 174631.
The product of its digits is 1548288, while the sum is 51.
The spelling of 18268264671 in words is "eighteen billion, two hundred sixty-eight million, two hundred sixty-four thousand, six hundred seventy-one".
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