Base | Representation |
---|---|
bin | 1001010011000000010100… |
… | …01000001011001110000111 |
3 | 2200101110002102221012102201 |
4 | 10221200022020023032013 |
5 | 10134424222321303411 |
6 | 111251535315015331 |
7 | 4210021454552011 |
oct | 451401210131607 |
9 | 80343072835381 |
10 | 20444214244231 |
11 | 6572384a63548 |
12 | 2362285b9a547 |
13 | b53b5bac996b |
14 | 5097105911b1 |
15 | 256c0320b3c1 |
hex | 12980a20b387 |
20444214244231 has 8 divisors (see below), whose sum is σ = 20480274309600. Its totient is φ = 20408167157760.
The previous prime is 20444214244213. The next prime is 20444214244297. The reversal of 20444214244231 is 13244241244402.
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 20444214244231 - 25 = 20444214244199 is a prime.
It is a super-2 number, since 2×204442142442312 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20444214244331) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88866 + ... + 6395023.
It is an arithmetic number, because the mean of its divisors is an integer number (2560034288700).
Almost surely, 220444214244231 is an apocalyptic number.
20444214244231 is a deficient number, since it is larger than the sum of its proper divisors (36060065369).
20444214244231 is an equidigital number, since it uses as much as digits as its factorization.
20444214244231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6489449.
The product of its (nonzero) digits is 196608, while the sum is 37.
Adding to 20444214244231 its reverse (13244241244402), we get a palindrome (33688455488633).
The spelling of 20444214244231 in words is "twenty trillion, four hundred forty-four billion, two hundred fourteen million, two hundred forty-four thousand, two hundred thirty-one".
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