Base | Representation |
---|---|
bin | 111100110011001… |
… | …001110000111111 |
3 | 2122002101111222120 |
4 | 330303021300333 |
5 | 4042112323203 |
6 | 245115014023 |
7 | 34164134160 |
oct | 7463116077 |
9 | 2562344876 |
10 | 1020042303 |
11 | 483872975 |
12 | 24573a313 |
13 | 133436937 |
14 | 99687767 |
15 | 5e83eb53 |
hex | 3ccc9c3f |
1020042303 has 32 divisors (see below), whose sum is σ = 1659248640. Its totient is φ = 544410720.
The previous prime is 1020042277. The next prime is 1020042311. The reversal of 1020042303 is 3032400201.
It is not a de Polignac number, because 1020042303 - 29 = 1020041791 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1020042323) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10326 + ... + 46332.
It is an arithmetic number, because the mean of its divisors is an integer number (51851520).
Almost surely, 21020042303 is an apocalyptic number.
1020042303 is a deficient number, since it is larger than the sum of its proper divisors (639206337).
1020042303 is a wasteful number, since it uses less digits than its factorization.
1020042303 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36107.
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 1020042303 is about 31938.1011176306. The cubic root of 1020042303 is about 1006.6366254333.
Adding to 1020042303 its reverse (3032400201), we get a palindrome (4052442504).
The spelling of 1020042303 in words is "one billion, twenty million, forty-two thousand, three hundred three".
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