Base | Representation |
---|---|
bin | 111100110101011… |
… | …010110101100100 |
3 | 2122010111201002110 |
4 | 330311122311210 |
5 | 4042240332031 |
6 | 245135441020 |
7 | 34202160444 |
oct | 7465326544 |
9 | 2563451073 |
10 | 1020636516 |
11 | 484139359 |
12 | 245986170 |
13 | 1335b4243 |
14 | 997a0124 |
15 | 5e90ac46 |
hex | 3cd5ad64 |
1020636516 has 48 divisors (see below), whose sum is σ = 2441134080. Its totient is φ = 331783200.
The previous prime is 1020636503. The next prime is 1020636521. The reversal of 1020636516 is 6156360201.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 84241 + ... + 95591.
It is an arithmetic number, because the mean of its divisors is an integer number (50856960).
Almost surely, 21020636516 is an apocalyptic number.
It is an amenable number.
1020636516 is an abundant number, since it is smaller than the sum of its proper divisors (1420497564).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1020636516 is a wasteful number, since it uses less digits than its factorization.
1020636516 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11544 (or 11542 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 30.
The square root of 1020636516 is about 31947.4023357142. The cubic root of 1020636516 is about 1006.8320553860.
Adding to 1020636516 its reverse (6156360201), we get a palindrome (7176996717).
The spelling of 1020636516 in words is "one billion, twenty million, six hundred thirty-six thousand, five hundred sixteen".
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