Base | Representation |
---|---|
bin | 10010111111111111… |
… | …101011011100001001 |
3 | 1221122210002201011022 |
4 | 102333333223130021 |
5 | 313240124313231 |
6 | 13212212242225 |
7 | 1321361504360 |
oct | 227777533411 |
9 | 57583081138 |
10 | 20401010441 |
11 | 8719925109 |
12 | 3b54310375 |
13 | 1c017b1116 |
14 | db76707d7 |
15 | 7e607dc7b |
hex | 4bffeb709 |
20401010441 has 16 divisors (see below), whose sum is σ = 24075138048. Its totient is φ = 16917163200.
The previous prime is 20401010387. The next prime is 20401010449. The reversal of 20401010441 is 14401010402.
It is not a de Polignac number, because 20401010441 - 230 = 19327268617 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20401010449) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 771011 + ... + 797031.
It is an arithmetic number, because the mean of its divisors is an integer number (1504696128).
Almost surely, 220401010441 is an apocalyptic number.
It is an amenable number.
20401010441 is a deficient number, since it is larger than the sum of its proper divisors (3674127607).
20401010441 is a wasteful number, since it uses less digits than its factorization.
20401010441 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29672.
The product of its (nonzero) digits is 128, while the sum is 17.
Adding to 20401010441 its reverse (14401010402), we get a palindrome (34802020843).
The spelling of 20401010441 in words is "twenty billion, four hundred one million, ten thousand, four hundred forty-one".
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