Base | Representation |
---|---|
bin | 11000101010101111… |
… | …01011100100100001 |
3 | 1021011221212000021220 |
4 | 30111113223210201 |
5 | 204110304244301 |
6 | 10030044405253 |
7 | 646120210410 |
oct | 142527534441 |
9 | 37157760256 |
10 | 13243431201 |
11 | 5686631970 |
12 | 2697246829 |
13 | 1330954530 |
14 | 8d8c15477 |
15 | 5279d9936 |
hex | 3155eb921 |
13243431201 has 64 divisors (see below), whose sum is σ = 24349495296. Its totient is φ = 6178809600.
The previous prime is 13243431193. The next prime is 13243431203. The reversal of 13243431201 is 10213434231.
It is a happy number.
13243431201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 13243431201 - 23 = 13243431193 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13243431203) by changing a digit.
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 63 ways as a sum of consecutive naturals, for example, 51516 + ... + 170706.
It is an arithmetic number, because the mean of its divisors is an integer number (380460864).
Almost surely, 213243431201 is an apocalyptic number.
13243431201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
13243431201 is a deficient number, since it is larger than the sum of its proper divisors (11106064095).
13243431201 is a wasteful number, since it uses less digits than its factorization.
13243431201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 119262.
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 13243431201 its reverse (10213434231), we get a palindrome (23456865432).
It can be divided in two parts, 13243 and 431201, that added together give a palindrome (444444).
The spelling of 13243431201 in words is "thirteen billion, two hundred forty-three million, four hundred thirty-one thousand, two hundred one".
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