Base | Representation |
---|---|
bin | 1000011000101101100000… |
… | …11001101101010010110101 |
3 | 2102021222002201010000022102 |
4 | 10030112300121231102311 |
5 | 4404120142024141434 |
6 | 103115443432311445 |
7 | 3612223316524553 |
oct | 414266031552265 |
9 | 72258081100272 |
10 | 18441254130869 |
11 | 596a98a215789 |
12 | 209a056842585 |
13 | a3a00620812b |
14 | 47a7c091cbd3 |
15 | 21ea7541807e |
hex | 10c5b066d4b5 |
18441254130869 has 8 divisors (see below), whose sum is σ = 19526076976320. Its totient is φ = 17356436084416.
The previous prime is 18441254130857. The next prime is 18441254130877. The reversal of 18441254130869 is 96803145214481.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 18441254130869 - 212 = 18441254126773 is a prime.
It is a super-2 number, since 2×184412541308692 (a number of 27 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 (18441254130889) 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, 9374792 + ... + 11170014.
It is an arithmetic number, because the mean of its divisors is an integer number (2440759622040).
Almost surely, 218441254130869 is an apocalyptic number.
It is an amenable number.
18441254130869 is a deficient number, since it is larger than the sum of its proper divisors (1084822845451).
18441254130869 is a wasteful number, since it uses less digits than its factorization.
18441254130869 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2399499.
The product of its (nonzero) digits is 6635520, while the sum is 56.
The spelling of 18441254130869 in words is "eighteen trillion, four hundred forty-one billion, two hundred fifty-four million, one hundred thirty thousand, eight hundred sixty-nine".
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