Base | Representation |
---|---|
bin | 10000111000111001… |
… | …111000000011001101 |
3 | 1201210211101100121010 |
4 | 100320321320003031 |
5 | 244114422040234 |
6 | 12155250355433 |
7 | 1211251155045 |
oct | 207071700315 |
9 | 51724340533 |
10 | 18134565069 |
11 | 7766542165 |
12 | 362128bb79 |
13 | 1930086b9a |
14 | c40658725 |
15 | 7120d96e9 |
hex | 438e780cd |
18134565069 has 8 divisors (see below), whose sum is σ = 24218484640. Its totient is φ = 12070177776.
The previous prime is 18134565047. The next prime is 18134565079. The reversal of 18134565069 is 96056543181.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 18134565069 - 27 = 18134564941 is a prime.
It is a super-2 number, since 2×181345650692 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18134565019) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4880902 + ... + 4884615.
It is an arithmetic number, because the mean of its divisors is an integer number (3027310580).
Almost surely, 218134565069 is an apocalyptic number.
It is an amenable number.
18134565069 is a deficient number, since it is larger than the sum of its proper divisors (6083919571).
18134565069 is an equidigital number, since it uses as much as digits as its factorization.
18134565069 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9766139.
The product of its (nonzero) digits is 777600, while the sum is 48.
The spelling of 18134565069 in words is "eighteen billion, one hundred thirty-four million, five hundred sixty-five thousand, sixty-nine".
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