Base | Representation |
---|---|
bin | 10010101010100010… |
… | …111001001011011001 |
3 | 1220201200221112211121 |
4 | 102222202321023121 |
5 | 312021013034001 |
6 | 13112355125241 |
7 | 1306431622225 |
oct | 225242711331 |
9 | 56650845747 |
10 | 20041143001 |
11 | 8554780400 |
12 | 3a738a3821 |
13 | 1b750817c9 |
14 | d81955785 |
15 | 7c46966a1 |
hex | 4aa8b92d9 |
20041143001 has 6 divisors (see below), whose sum is σ = 22028694506. Its totient is φ = 18219220800.
The previous prime is 20041142987. The next prime is 20041143011. The reversal of 20041143001 is 10034114002.
It can be written as a sum of positive squares in only one way, i.e., 19012273225 + 1028869776 = 137885^2 + 32076^2 .
It is not a de Polignac number, because 20041143001 - 223 = 20032754393 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20041143011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 82814520 + ... + 82814761.
Almost surely, 220041143001 is an apocalyptic number.
It is an amenable number.
20041143001 is a deficient number, since it is larger than the sum of its proper divisors (1987551505).
20041143001 is a wasteful number, since it uses less digits than its factorization.
20041143001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 165629303 (or 165629292 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 16.
Adding to 20041143001 its reverse (10034114002), we get a palindrome (30075257003).
The spelling of 20041143001 in words is "twenty billion, forty-one million, one hundred forty-three thousand, one".
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