Base | Representation |
---|---|
bin | 11000101100001010… |
… | …00001011110001000 |
3 | 1021012210012220001220 |
4 | 30112011001132020 |
5 | 204121330124014 |
6 | 10031151242040 |
7 | 646323224121 |
oct | 142605013610 |
9 | 37183186056 |
10 | 13255317384 |
11 | 5692310161 |
12 | 269b219320 |
13 | 133325678a |
14 | 8da62b048 |
15 | 528a866a9 |
hex | 316141788 |
13255317384 has 128 divisors (see below), whose sum is σ = 36624026880. Its totient is φ = 3980288000.
The previous prime is 13255317379. The next prime is 13255317389. The reversal of 13255317384 is 48371355231.
It is an interprime number because it is at equal distance from previous prime (13255317379) and next prime (13255317389).
It is a super-3 number, since 3×132553173843 (a number of 31 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (13255317389) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 879109 + ... + 894059.
It is an arithmetic number, because the mean of its divisors is an integer number (286125210).
Almost surely, 213255317384 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13255317384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18312013440).
13255317384 is an abundant number, since it is smaller than the sum of its proper divisors (23368709496).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13255317384 is a wasteful number, since it uses less digits than its factorization.
13255317384 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15071 (or 15067 counting only the distinct ones).
The product of its digits is 302400, while the sum is 42.
The spelling of 13255317384 in words is "thirteen billion, two hundred fifty-five million, three hundred seventeen thousand, three hundred eighty-four".
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