Base | Representation |
---|---|
bin | 110010011001… |
… | …010110000101 |
3 | 220212012002210 |
4 | 302121112011 |
5 | 11340223023 |
6 | 1151054033 |
7 | 220202034 |
oct | 62312605 |
9 | 26765083 |
10 | 13211013 |
11 | 75036a2 |
12 | 4511319 |
13 | 297728a |
14 | 1a7c71b |
15 | 125e593 |
hex | c99585 |
13211013 has 8 divisors (see below), whose sum is σ = 17704000. Its totient is φ = 8762688.
The previous prime is 13210937. The next prime is 13211059. The reversal of 13211013 is 31011231.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13211013 - 29 = 13210501 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 13211013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13211063) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10468 + ... + 11661.
It is an arithmetic number, because the mean of its divisors is an integer number (2213000).
Almost surely, 213211013 is an apocalyptic number.
It is an amenable number.
13211013 is a deficient number, since it is larger than the sum of its proper divisors (4492987).
13211013 is a wasteful number, since it uses less digits than its factorization.
13211013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22331.
The product of its (nonzero) digits is 18, while the sum is 12.
The square root of 13211013 is about 3634.6957231658. The cubic root of 13211013 is about 236.3988575046.
Adding to 13211013 its reverse (31011231), we get a palindrome (44222244).
The spelling of 13211013 in words is "thirteen million, two hundred eleven thousand, thirteen".
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