Base | Representation |
---|---|
bin | 11001110111100101… |
… | …11111001110110011 |
3 | 1022211212221210022120 |
4 | 30323302333032303 |
5 | 211420324430302 |
6 | 10214034405323 |
7 | 1001106050634 |
oct | 147362771663 |
9 | 38755853276 |
10 | 13888123827 |
11 | 5987535a96 |
12 | 2837130843 |
13 | 140439a866 |
14 | 95a6b388b |
15 | 5643d49bc |
hex | 33bcbf3b3 |
13888123827 has 4 divisors (see below), whose sum is σ = 18517498440. Its totient is φ = 9258749216.
The previous prime is 13888123817. The next prime is 13888123829. The reversal of 13888123827 is 72832188831.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72832188831 = 3 ⋅24277396277.
It is a cyclic number.
It is not a de Polignac number, because 13888123827 - 210 = 13888122803 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 13888123827.
It is not an unprimeable number, because it can be changed into a prime (13888123829) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2314687302 + ... + 2314687307.
It is an arithmetic number, because the mean of its divisors is an integer number (4629374610).
Almost surely, 213888123827 is an apocalyptic number.
13888123827 is a deficient number, since it is larger than the sum of its proper divisors (4629374613).
13888123827 is an equidigital number, since it uses as much as digits as its factorization.
13888123827 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4629374612.
The product of its digits is 1032192, while the sum is 51.
The spelling of 13888123827 in words is "thirteen billion, eight hundred eighty-eight million, one hundred twenty-three thousand, eight hundred twenty-seven".
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