Base | Representation |
---|---|
bin | 10011000010011100… |
… | …011100010011011010 |
3 | 1221202122102112100212 |
4 | 103002130130103122 |
5 | 313331134330200 |
6 | 13220241131122 |
7 | 1322401011623 |
oct | 230234342332 |
9 | 57678375325 |
10 | 20442105050 |
11 | 87400430a4 |
12 | 3b66029aa2 |
13 | 1c0a16bc63 |
14 | dbcccaa4a |
15 | 7e999a035 |
hex | 4c271c4da |
20442105050 has 24 divisors (see below), whose sum is σ = 38032315776. Its totient is φ = 8174691440.
The previous prime is 20442105011. The next prime is 20442105059. The reversal of 20442105050 is 5050124402.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (20442105059) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145559 + ... + 249141.
It is an arithmetic number, because the mean of its divisors is an integer number (1584679824).
Almost surely, 220442105050 is an apocalyptic number.
20442105050 is a deficient number, since it is larger than the sum of its proper divisors (17590210726).
20442105050 is a wasteful number, since it uses less digits than its factorization.
20442105050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 107542 (or 107537 counting only the distinct ones).
The product of its (nonzero) digits is 1600, while the sum is 23.
Adding to 20442105050 its reverse (5050124402), we get a palindrome (25492229452).
The spelling of 20442105050 in words is "twenty billion, four hundred forty-two million, one hundred five thousand, fifty".
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