Base | Representation |
---|---|
bin | 1001001110110111011100… |
… | …00110000010111100011111 |
3 | 2122212212000222120021110222 |
4 | 10213123232012002330133 |
5 | 10130112004030100411 |
6 | 111102340432351555 |
7 | 4163525506501055 |
oct | 447335606027437 |
9 | 78785028507428 |
10 | 20302010003231 |
11 | 6518041413530 |
12 | 233a7ba0a55bb |
13 | b4361867cb68 |
14 | 5028a03001d5 |
15 | 25317dc314db |
hex | 1276ee182f1f |
20302010003231 has 32 divisors (see below), whose sum is σ = 25039105648128. Its totient is φ = 16229049661440.
The previous prime is 20302010003213. The next prime is 20302010003251. The reversal of 20302010003231 is 13230001020302.
It is a de Polignac number, because none of the positive numbers 2k-20302010003231 is a prime.
It is a super-2 number, since 2×203020100032312 (a number of 27 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20302010003251) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54702266 + ... + 55072151.
It is an arithmetic number, because the mean of its divisors is an integer number (782472051504).
Almost surely, 220302010003231 is an apocalyptic number.
20302010003231 is a deficient number, since it is larger than the sum of its proper divisors (4737095644897).
20302010003231 is a wasteful number, since it uses less digits than its factorization.
20302010003231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 109774511.
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 20302010003231 its reverse (13230001020302), we get a palindrome (33532011023533).
The spelling of 20302010003231 in words is "twenty trillion, three hundred two billion, ten million, three thousand, two hundred thirty-one".
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