Base | Representation |
---|---|
bin | 10011000010010100… |
… | …110101010101101001 |
3 | 1221202111200012021110 |
4 | 103002110311111221 |
5 | 313330132013231 |
6 | 13220130300533 |
7 | 1322345033502 |
oct | 230224652551 |
9 | 57674605243 |
10 | 20440110441 |
11 | 8739a00563 |
12 | 3b65427749 |
13 | 1c0992110a |
14 | dbc92bba9 |
15 | 7e9704046 |
hex | 4c2535569 |
20440110441 has 16 divisors (see below), whose sum is σ = 27540465920. Its totient is φ = 13483584000.
The previous prime is 20440110407. The next prime is 20440110461. The reversal of 20440110441 is 14401104402.
It is not a de Polignac number, because 20440110441 - 214 = 20440094057 is a prime.
It is a super-2 number, since 2×204401104412 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (20440110461) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203961 + ... + 287193.
It is an arithmetic number, because the mean of its divisors is an integer number (1721279120).
Almost surely, 220440110441 is an apocalyptic number.
It is an amenable number.
20440110441 is a deficient number, since it is larger than the sum of its proper divisors (7100355479).
20440110441 is a wasteful number, since it uses less digits than its factorization.
20440110441 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84096.
The product of its (nonzero) digits is 512, while the sum is 21.
Adding to 20440110441 its reverse (14401104402), we get a palindrome (34841214843).
The spelling of 20440110441 in words is "twenty billion, four hundred forty million, one hundred ten thousand, four hundred forty-one".
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