Base | Representation |
---|---|
bin | 110010011001… |
… | …011100001001 |
3 | 220212012122011 |
4 | 302121130021 |
5 | 11340231101 |
6 | 1151055521 |
7 | 220203130 |
oct | 62313411 |
9 | 26765564 |
10 | 13211401 |
11 | 7503a15 |
12 | 45115a1 |
13 | 29774c8 |
14 | 1a7c917 |
15 | 125e751 |
hex | c99709 |
13211401 has 8 divisors (see below), whose sum is σ = 15137984. Its totient is φ = 11294640.
The previous prime is 13211399. The next prime is 13211423. The reversal of 13211401 is 10411231.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13211401 - 21 = 13211399 is a prime.
It is a super-2 number, since 2×132114012 = 349082232765602, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13211101) 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, 706 + ... + 5188.
It is an arithmetic number, because the mean of its divisors is an integer number (1892248).
Almost surely, 213211401 is an apocalyptic number.
It is an amenable number.
13211401 is a deficient number, since it is larger than the sum of its proper divisors (1926583).
13211401 is an equidigital number, since it uses as much as digits as its factorization.
13211401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4911.
The product of its (nonzero) digits is 24, while the sum is 13.
The square root of 13211401 is about 3634.7490972555. The cubic root of 13211401 is about 236.4011717823.
Adding to 13211401 its reverse (10411231), we get a palindrome (23622632).
The spelling of 13211401 in words is "thirteen million, two hundred eleven thousand, four hundred one".
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