Base | Representation |
---|---|
bin | 111100110011110… |
… | …011011110011010 |
3 | 2122002201012100002 |
4 | 330303303132122 |
5 | 4042133310041 |
6 | 245122413002 |
7 | 34165445231 |
oct | 7463633632 |
9 | 2562635302 |
10 | 1020213146 |
11 | 48397a267 |
12 | 245801162 |
13 | 133496624 |
14 | 996cdb18 |
15 | 5e87559b |
hex | 3ccf379a |
1020213146 has 32 divisors (see below), whose sum is σ = 1643016960. Its totient is φ = 473423616.
The previous prime is 1020213143. The next prime is 1020213167. The reversal of 1020213146 is 6413120201.
It is not an unprimeable number, because it can be changed into a prime (1020213143) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1109675 + ... + 1110593.
It is an arithmetic number, because the mean of its divisors is an integer number (51344280).
Almost surely, 21020213146 is an apocalyptic number.
1020213146 is a deficient number, since it is larger than the sum of its proper divisors (622803814).
1020213146 is a wasteful number, since it uses less digits than its factorization.
1020213146 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1358.
The product of its (nonzero) digits is 288, while the sum is 20.
The square root of 1020213146 is about 31940.7756011027. The cubic root of 1020213146 is about 1006.6928215407.
Adding to 1020213146 its reverse (6413120201), we get a palindrome (7433333347).
The spelling of 1020213146 in words is "one billion, twenty million, two hundred thirteen thousand, one hundred forty-six".
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