Base | Representation |
---|---|
bin | 10010101111111001… |
… | …110101100001010110 |
3 | 1220221222002222000112 |
4 | 102233321311201112 |
5 | 312212021342124 |
6 | 13125330043022 |
7 | 1311603021446 |
oct | 225771654126 |
9 | 56858088015 |
10 | 20131043414 |
11 | 85a04a3969 |
12 | 3a99a19472 |
13 | 1b8a89a311 |
14 | d8d878126 |
15 | 7cc50390e |
hex | 4afe75856 |
20131043414 has 16 divisors (see below), whose sum is σ = 30678490800. Its totient is φ = 9905495040.
The previous prime is 20131043399. The next prime is 20131043417. The reversal of 20131043414 is 41434013102.
It is a self number, because there is not a number n which added to its sum of digits gives 20131043414.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20131043417) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87992 + ... + 219099.
It is an arithmetic number, because the mean of its divisors is an integer number (1917405675).
Almost surely, 220131043414 is an apocalyptic number.
20131043414 is a deficient number, since it is larger than the sum of its proper divisors (10547447386).
20131043414 is a wasteful number, since it uses less digits than its factorization.
20131043414 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 307615.
The product of its (nonzero) digits is 1152, while the sum is 23.
Adding to 20131043414 its reverse (41434013102), we get a palindrome (61565056516).
The spelling of 20131043414 in words is "twenty billion, one hundred thirty-one million, forty-three thousand, four hundred fourteen".
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