Base | Representation |
---|---|
bin | 10001100101101100… |
… | …011111001011100111 |
3 | 1210202012101201202122 |
4 | 101211230133023213 |
5 | 302134310430210 |
6 | 12402013100155 |
7 | 1236004415054 |
oct | 214554371347 |
9 | 53665351678 |
10 | 18886030055 |
11 | 8011742a02 |
12 | 37b0a8765b |
13 | 1a1c975419 |
14 | cb238c02b |
15 | 758075b55 |
hex | 465b1f2e7 |
18886030055 has 8 divisors (see below), whose sum is σ = 22695570144. Its totient is φ = 15087268000.
The previous prime is 18886030049. The next prime is 18886030057. The reversal of 18886030055 is 55003068881.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 18886030055 - 228 = 18617594599 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 18886029988 and 18886030015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18886030057) 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, 2690651 + ... + 2697660.
It is an arithmetic number, because the mean of its divisors is an integer number (2836946268).
Almost surely, 218886030055 is an apocalyptic number.
18886030055 is a deficient number, since it is larger than the sum of its proper divisors (3809540089).
18886030055 is an equidigital number, since it uses as much as digits as its factorization.
18886030055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5389017.
The product of its (nonzero) digits is 230400, while the sum is 44.
The spelling of 18886030055 in words is "eighteen billion, eight hundred eighty-six million, thirty thousand, fifty-five".
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