Base | Representation |
---|---|
bin | 11001110110110100… |
… | …01011001101100000 |
3 | 1022211102201022210000 |
4 | 30323122023031200 |
5 | 211412143304141 |
6 | 10213243140000 |
7 | 1000666550166 |
oct | 147332131540 |
9 | 38742638700 |
10 | 13881619296 |
11 | 59838a3046 |
12 | 2834b14600 |
13 | 1402c3101c |
14 | 95989d236 |
15 | 563a4c5b6 |
hex | 33b68b360 |
13881619296 has 60 divisors (see below), whose sum is σ = 40825464372. Its totient is φ = 4627205568.
The previous prime is 13881619291. The next prime is 13881619313. The reversal of 13881619296 is 69291618831.
13881619296 is a `hidden beast` number, since 13 + 8 + 8 + 1 + 619 + 2 + 9 + 6 = 666.
13881619296 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13881619291) 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 9 ways as a sum of consecutive naturals, for example, 2675190 + ... + 2680373.
Almost surely, 213881619296 is an apocalyptic number.
13881619296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
13881619296 is an abundant number, since it is smaller than the sum of its proper divisors (26943845076).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13881619296 is an equidigital number, since it uses as much as digits as its factorization.
13881619296 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5355585 (or 5355568 counting only the distinct ones).
The product of its digits is 1119744, while the sum is 54.
The spelling of 13881619296 in words is "thirteen billion, eight hundred eighty-one million, six hundred nineteen thousand, two hundred ninety-six".
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