Base | Representation |
---|---|
bin | 10010110100101100… |
… | …100010101001001101 |
3 | 1221011120101202022011 |
4 | 102310230202221031 |
5 | 312343112204201 |
6 | 13141321221221 |
7 | 1313600304406 |
oct | 226454425115 |
9 | 57146352264 |
10 | 20211444301 |
11 | 8631919284 |
12 | 3b00931811 |
13 | 1ba143acc9 |
14 | d9a4069ad |
15 | 7d45d6151 |
hex | 4b4b22a4d |
20211444301 has 4 divisors (see below), whose sum is σ = 20219706432. Its totient is φ = 20203182172.
The previous prime is 20211444299. The next prime is 20211444311. The reversal of 20211444301 is 10344411202.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10344411202 = 2 ⋅5172205601.
It is a cyclic number.
It is not a de Polignac number, because 20211444301 - 21 = 20211444299 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20211444311) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4127395 + ... + 4132288.
It is an arithmetic number, because the mean of its divisors is an integer number (5054926608).
Almost surely, 220211444301 is an apocalyptic number.
It is an amenable number.
20211444301 is a deficient number, since it is larger than the sum of its proper divisors (8262131).
20211444301 is an equidigital number, since it uses as much as digits as its factorization.
20211444301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8262130.
The product of its (nonzero) digits is 768, while the sum is 22.
Adding to 20211444301 its reverse (10344411202), we get a palindrome (30555855503).
The spelling of 20211444301 in words is "twenty billion, two hundred eleven million, four hundred forty-four thousand, three hundred one".
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