Base | Representation |
---|---|
bin | 11000100111000111… |
… | …11110100001010000 |
3 | 1021002211210000212020 |
4 | 30103203332201100 |
5 | 204030023200422 |
6 | 10023042331440 |
7 | 645301332522 |
oct | 142343764120 |
9 | 37084700766 |
10 | 13213100112 |
11 | 56704a5753 |
12 | 2689059b80 |
13 | 1327594944 |
14 | 8d4b9ba12 |
15 | 524ee795c |
hex | 3138fe850 |
13213100112 has 80 divisors (see below), whose sum is σ = 34365360000. Its totient is φ = 4374577152.
The previous prime is 13213100059. The next prime is 13213100113. The reversal of 13213100112 is 21100131231.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 13213100091 and 13213100100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13213100113) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8873064 + ... + 8874552.
It is an arithmetic number, because the mean of its divisors is an integer number (429567000).
Almost surely, 213213100112 is an apocalyptic number.
13213100112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13213100112 is an abundant number, since it is smaller than the sum of its proper divisors (21152259888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13213100112 is a wasteful number, since it uses less digits than its factorization.
13213100112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2628 (or 2622 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 15.
Adding to 13213100112 its reverse (21100131231), we get a palindrome (34313231343).
The spelling of 13213100112 in words is "thirteen billion, two hundred thirteen million, one hundred thousand, one hundred twelve".
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