Base | Representation |
---|---|
bin | 10010111010001010… |
… | …010110000010000001 |
3 | 1221101221221112022210 |
4 | 102322022112002001 |
5 | 313040101034131 |
6 | 13154354452333 |
7 | 1316062603566 |
oct | 227212260201 |
9 | 57357845283 |
10 | 20303143041 |
11 | 867965a965 |
12 | 3b275940a9 |
13 | 1bb743620c |
14 | da867686d |
15 | 7dc69b146 |
hex | 4ba296081 |
20303143041 has 16 divisors (see below), whose sum is σ = 27501114368. Its totient is φ = 13321843200.
The previous prime is 20303143039. The next prime is 20303143099. The reversal of 20303143041 is 14034130302.
It is not a de Polignac number, because 20303143041 - 21 = 20303143039 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20303142999 and 20303143017.
It is not an unprimeable number, because it can be changed into a prime (20303143141) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140065 + ... + 245406.
It is an arithmetic number, because the mean of its divisors is an integer number (1718819648).
Almost surely, 220303143041 is an apocalyptic number.
It is an amenable number.
20303143041 is a deficient number, since it is larger than the sum of its proper divisors (7197971327).
20303143041 is a wasteful number, since it uses less digits than its factorization.
20303143041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 385752.
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 20303143041 its reverse (14034130302), we get a palindrome (34337273343).
The spelling of 20303143041 in words is "twenty billion, three hundred three million, one hundred forty-three thousand, forty-one".
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