Base | Representation |
---|---|
bin | 10010101110111010… |
… | …011011011011000101 |
3 | 1220220210211110222001 |
4 | 102232322123123011 |
5 | 312143242441240 |
6 | 13123533505301 |
7 | 1311311522056 |
oct | 225672333305 |
9 | 56823743861 |
10 | 20114421445 |
11 | 85920805a8 |
12 | 3a94342231 |
13 | 1b872ca631 |
14 | d8b58c72d |
15 | 7cad1d89a |
hex | 4aee9b6c5 |
20114421445 has 16 divisors (see below), whose sum is σ = 24735232368. Its totient is φ = 15693212160.
The previous prime is 20114421419. The next prime is 20114421491. The reversal of 20114421445 is 54412441102.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 1101045124 + 19013376321 = 33182^2 + 137889^2 .
It is not a de Polignac number, because 20114421445 - 231 = 17966937797 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 581167 + ... + 614803.
It is an arithmetic number, because the mean of its divisors is an integer number (1545952023).
Almost surely, 220114421445 is an apocalyptic number.
It is an amenable number.
20114421445 is a deficient number, since it is larger than the sum of its proper divisors (4620810923).
20114421445 is a wasteful number, since it uses less digits than its factorization.
20114421445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36600.
The product of its (nonzero) digits is 5120, while the sum is 28.
Adding to 20114421445 its reverse (54412441102), we get a palindrome (74526862547).
The spelling of 20114421445 in words is "twenty billion, one hundred fourteen million, four hundred twenty-one thousand, four hundred forty-five".
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