Base | Representation |
---|---|
bin | 11000111110010110… |
… | …11101100001000100 |
3 | 1021121102111222100010 |
4 | 30133023131201010 |
5 | 204424422000233 |
6 | 10054243550220 |
7 | 653156056131 |
oct | 143713354104 |
9 | 37542458303 |
10 | 13408000068 |
11 | 57605149a1 |
12 | 272238b370 |
13 | 1358a84768 |
14 | 912a13588 |
15 | 537195b63 |
hex | 31f2dd844 |
13408000068 has 24 divisors (see below), whose sum is σ = 31752280672. Its totient is φ = 4402626624.
The previous prime is 13408000063. The next prime is 13408000069. The reversal of 13408000068 is 86000080431.
It is a happy number.
13408000068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 13407999999 and 13408000044.
It is not an unprimeable number, because it can be changed into a prime (13408000063) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8337505 + ... + 8339112.
Almost surely, 213408000068 is an apocalyptic number.
It is an amenable number.
13408000068 is an abundant number, since it is smaller than the sum of its proper divisors (18344280604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13408000068 is a wasteful number, since it uses less digits than its factorization.
13408000068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16676691 (or 16676689 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 30.
Adding to 13408000068 its reverse (86000080431), we get a palindrome (99408080499).
The spelling of 13408000068 in words is "thirteen billion, four hundred eight million, sixty-eight", and thus it is an aban number.
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