| Base | Representation |
|---|---|
| bin | 11000110010110100… |
| … | …01101011110010100 |
| 3 | 1021100200101012000200 |
| 4 | 30121122031132110 |
| 5 | 204230132000340 |
| 6 | 10040505140500 |
| 7 | 650602234440 |
| oct | 143132153624 |
| 9 | 37320335020 |
| 10 | 13311203220 |
| 11 | 5710910aa7 |
| 12 | 26b5a8a730 |
| 13 | 13419c2c13 |
| 14 | 903c17820 |
| 15 | 52d925330 |
| hex | 31968d794 |
13311203220 has 144 divisors (see below), whose sum is σ = 46322115840. Its totient is φ = 3030916608.
The previous prime is 13311203207. The next prime is 13311203231. The reversal of 13311203220 is 2230211331.
13311203220 is a `hidden beast` number, since 1 + 331 + 12 + 0 + 322 + 0 = 666.
13311203220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 13311203193 and 13311203202.
It is a congruent number.
It is an unprimeable number.
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 47 ways as a sum of consecutive naturals, for example, 311296 + ... + 351464.
It is an arithmetic number, because the mean of its divisors is an integer number (321681360).
Almost surely, 213311203220 is an apocalyptic number.
13311203220 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 13311203220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23161057920).
13311203220 is an abundant number, since it is smaller than the sum of its proper divisors (33010912620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13311203220 is a wasteful number, since it uses less digits than its factorization.
13311203220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40454 (or 40449 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 13311203220 its reverse (2230211331), we get a palindrome (15541414551).
The spelling of 13311203220 in words is "thirteen billion, three hundred eleven million, two hundred three thousand, two hundred twenty".
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