Base | Representation |
---|---|
bin | 11001110111001111… |
… | …10000110111100000 |
3 | 1022211200102022002002 |
4 | 30323213300313200 |
5 | 211414101301113 |
6 | 10213451343132 |
7 | 1001042044310 |
oct | 147347606740 |
9 | 38750368062 |
10 | 13885181408 |
11 | 598590633a |
12 | 2836151aa8 |
13 | 14038aa497 |
14 | 95a149440 |
15 | 564002c58 |
hex | 33b9f0de0 |
13885181408 has 48 divisors (see below), whose sum is σ = 31250064384. Its totient is φ = 5949191040.
The previous prime is 13885181369. The next prime is 13885181423. The reversal of 13885181408 is 80418158831.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1246841 + ... + 1257927.
It is an arithmetic number, because the mean of its divisors is an integer number (651043008).
Almost surely, 213885181408 is an apocalyptic number.
It is an amenable number.
13885181408 is an abundant number, since it is smaller than the sum of its proper divisors (17364882976).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13885181408 is a wasteful number, since it uses less digits than its factorization.
13885181408 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16695 (or 16687 counting only the distinct ones).
The product of its (nonzero) digits is 245760, while the sum is 47.
The spelling of 13885181408 in words is "thirteen billion, eight hundred eighty-five million, one hundred eighty-one thousand, four hundred eight".
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