Base | Representation |
---|---|
bin | 11101100011110100001… |
… | …010110010100111111101 |
3 | 21012012012020220012020020 |
4 | 131203310022302213331 |
5 | 231240121141030323 |
6 | 4153102003242353 |
7 | 266521012615503 |
oct | 35436412624775 |
9 | 7165166805206 |
10 | 2031321033213 |
11 | 7135298486aa |
12 | 2898253793b9 |
13 | 119725519c14 |
14 | 70460532673 |
15 | 37c8ca9dae3 |
hex | 1d8f42b29fd |
2031321033213 has 16 divisors (see below), whose sum is σ = 2856428129280. Its totient is φ = 1280486541744.
The previous prime is 2031321033211. The next prime is 2031321033241. The reversal of 2031321033213 is 3123301231302.
It is not a de Polignac number, because 2031321033213 - 21 = 2031321033211 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2031321033211) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34040181 + ... + 34099802.
It is an arithmetic number, because the mean of its divisors is an integer number (178526758080).
Almost surely, 22031321033213 is an apocalyptic number.
It is an amenable number.
2031321033213 is a deficient number, since it is larger than the sum of its proper divisors (825107096067).
2031321033213 is a wasteful number, since it uses less digits than its factorization.
2031321033213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68140528.
The product of its (nonzero) digits is 1944, while the sum is 24.
Adding to 2031321033213 its reverse (3123301231302), we get a palindrome (5154622264515).
The spelling of 2031321033213 in words is "two trillion, thirty-one billion, three hundred twenty-one million, thirty-three thousand, two hundred thirteen".
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