Base | Representation |
---|---|
bin | 11000100111100001… |
… | …00100011111010000 |
3 | 1021010001222202022200 |
4 | 30103300210133100 |
5 | 204031344320420 |
6 | 10023241203200 |
7 | 645341362251 |
oct | 142360443720 |
9 | 37101882280 |
10 | 13216401360 |
11 | 567234aa58 |
12 | 268a190500 |
13 | 132817c446 |
14 | 8d53bab28 |
15 | 52544ab90 |
hex | 313c247d0 |
13216401360 has 120 divisors (see below), whose sum is σ = 44724217824. Its totient is φ = 3497445120.
The previous prime is 13216401343. The next prime is 13216401361. The reversal of 13216401360 is 6310461231.
13216401360 is a `hidden beast` number, since 1 + 3 + 2 + 1 + 640 + 13 + 6 + 0 = 666.
It is a tau number, because it is divible by the number of its divisors (120).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13216401361) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24259 + ... + 164381.
Almost surely, 213216401360 is an apocalyptic number.
13216401360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13216401360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22362108912).
13216401360 is an abundant number, since it is smaller than the sum of its proper divisors (31507816464).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13216401360 is a wasteful number, since it uses less digits than its factorization.
13216401360 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 140273 (or 140264 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 27.
Adding to 13216401360 its reverse (6310461231), we get a palindrome (19526862591).
The spelling of 13216401360 in words is "thirteen billion, two hundred sixteen million, four hundred one thousand, three hundred sixty".
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