Base | Representation |
---|---|
bin | 11000011010110110… |
… | …11111101001100100 |
3 | 1020211200011211120121 |
4 | 30031123133221210 |
5 | 203322203310340 |
6 | 10004525211324 |
7 | 642611654656 |
oct | 141533375144 |
9 | 36750154517 |
10 | 13110213220 |
11 | 5618412265 |
12 | 265a700b44 |
13 | 130c180120 |
14 | 8c52586d6 |
15 | 51ae7294a |
hex | 30d6dfa64 |
13110213220 has 24 divisors (see below), whose sum is σ = 29649252024. Its totient is φ = 4840694016.
The previous prime is 13110213217. The next prime is 13110213227. The reversal of 13110213220 is 2231201131.
It can be written as a sum of positive squares in 4 ways, for example, as 435056164 + 12675157056 = 20858^2 + 112584^2 .
It is a junction number, because it is equal to n+sod(n) for n = 13110213194 and 13110213203.
It is not an unprimeable number, because it can be changed into a prime (13110213227) by changing a digit.
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, 25211689 + ... + 25212208.
It is an arithmetic number, because the mean of its divisors is an integer number (1235385501).
Almost surely, 213110213220 is an apocalyptic number.
13110213220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13110213220 is an abundant number, since it is smaller than the sum of its proper divisors (16539038804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13110213220 is a wasteful number, since it uses less digits than its factorization.
13110213220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50423919 (or 50423917 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 13110213220 its reverse (2231201131), we get a palindrome (15341414351).
The spelling of 13110213220 in words is "thirteen billion, one hundred ten million, two hundred thirteen thousand, two hundred twenty".
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