Base | Representation |
---|---|
bin | 10011000001110010… |
… | …010100100101110011 |
3 | 1221201212122120002021 |
4 | 103001302110211303 |
5 | 313320323012121 |
6 | 13215204332311 |
7 | 1322205113353 |
oct | 230162244563 |
9 | 57655576067 |
10 | 20431063411 |
11 | 8734891380 |
12 | 3b623a4097 |
13 | 1c07aa4245 |
14 | dbb654b63 |
15 | 7e8a18641 |
hex | 4c1c94973 |
20431063411 has 8 divisors (see below), whose sum is σ = 22890823344. Its totient is φ = 18071701920.
The previous prime is 20431063363. The next prime is 20431063427. The reversal of 20431063411 is 11436013402.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20431063411 - 213 = 20431055219 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20431063711) 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, 25099180 + ... + 25099993.
It is an arithmetic number, because the mean of its divisors is an integer number (2861352918).
Almost surely, 220431063411 is an apocalyptic number.
20431063411 is a deficient number, since it is larger than the sum of its proper divisors (2459759933).
20431063411 is a wasteful number, since it uses less digits than its factorization.
20431063411 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50199221.
The product of its (nonzero) digits is 1728, while the sum is 25.
Adding to 20431063411 its reverse (11436013402), we get a palindrome (31867076813).
The spelling of 20431063411 in words is "twenty billion, four hundred thirty-one million, sixty-three thousand, four hundred eleven".
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