Base | Representation |
---|---|
bin | 10010101111100000… |
… | …000111100000001011 |
3 | 1220221111102102121110 |
4 | 102233200013200023 |
5 | 312203310120243 |
6 | 13124525341403 |
7 | 1311461511300 |
oct | 225740074013 |
9 | 56844372543 |
10 | 20124301323 |
11 | 8597709495 |
12 | 3a97707863 |
13 | 1b89379609 |
14 | d8ca010a7 |
15 | 7cbb20e33 |
hex | 4af80780b |
20124301323 has 12 divisors (see below), whose sum is σ = 31213202280. Its totient is φ = 11499600672.
The previous prime is 20124301313. The next prime is 20124301357. The reversal of 20124301323 is 32310342102.
It is not a de Polignac number, because 20124301323 - 210 = 20124300299 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a self number, because there is not a number n which added to its sum of digits gives 20124301323.
It is not an unprimeable number, because it can be changed into a prime (20124301313) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68449858 + ... + 68450151.
It is an arithmetic number, because the mean of its divisors is an integer number (2601100190).
Almost surely, 220124301323 is an apocalyptic number.
20124301323 is a deficient number, since it is larger than the sum of its proper divisors (11088900957).
20124301323 is a wasteful number, since it uses less digits than its factorization.
20124301323 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 136900026 (or 136900019 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 20124301323 its reverse (32310342102), we get a palindrome (52434643425).
The spelling of 20124301323 in words is "twenty billion, one hundred twenty-four million, three hundred one thousand, three hundred twenty-three".
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