Base | Representation |
---|---|
bin | 11000101001010010… |
… | …00100001110001001 |
3 | 1021011002212011212201 |
4 | 30110221010032021 |
5 | 204044142231101 |
6 | 10024530440201 |
7 | 645611304232 |
oct | 142451041611 |
9 | 37132764781 |
10 | 13231211401 |
11 | 567a745a61 |
12 | 2693133061 |
13 | 132b266495 |
14 | 8d7354089 |
15 | 5268c3e01 |
hex | 314a44389 |
13231211401 has 16 divisors (see below), whose sum is σ = 14960125440. Its totient is φ = 11635626240.
The previous prime is 13231211387. The next prime is 13231211407. The reversal of 13231211401 is 10411213231.
It is a cyclic number.
It is not a de Polignac number, because 13231211401 - 227 = 13096993673 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13231211407) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 417591 + ... + 448156.
It is an arithmetic number, because the mean of its divisors is an integer number (935007840).
Almost surely, 213231211401 is an apocalyptic number.
It is an amenable number.
13231211401 is a deficient number, since it is larger than the sum of its proper divisors (1728914039).
13231211401 is a wasteful number, since it uses less digits than its factorization.
13231211401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 865824.
The product of its (nonzero) digits is 144, while the sum is 19.
Adding to 13231211401 its reverse (10411213231), we get a palindrome (23642424632).
The spelling of 13231211401 in words is "thirteen billion, two hundred thirty-one million, two hundred eleven thousand, four hundred one".
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