Base | Representation |
---|---|
bin | 100011011111… |
… | …0010000001100 |
3 | 1022000020100121 |
4 | 1012332100030 |
5 | 14230330233 |
6 | 1502434324 |
7 | 314066116 |
oct | 106762014 |
9 | 38006317 |
10 | 18605068 |
11 | a558299 |
12 | 62929a4 |
13 | 3b15521 |
14 | 26843b6 |
15 | 197792d |
hex | 11be40c |
18605068 has 24 divisors (see below), whose sum is σ = 34771968. Its totient is φ = 8689296.
The previous prime is 18605063. The next prime is 18605071. The reversal of 18605068 is 86050681.
It is a happy number.
It is a super-2 number, since 2×186050682 = 692297110569248, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (18605063) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1605 + ... + 6307.
It is an arithmetic number, because the mean of its divisors is an integer number (1448832).
Almost surely, 218605068 is an apocalyptic number.
It is an amenable number.
18605068 is a deficient number, since it is larger than the sum of its proper divisors (16166900).
18605068 is a wasteful number, since it uses less digits than its factorization.
18605068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4773 (or 4771 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 34.
The square root of 18605068 is about 4313.3592477326. The cubic root of 18605068 is about 264.9783677607.
The spelling of 18605068 in words is "eighteen million, six hundred five thousand, sixty-eight".
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