Base | Representation |
---|---|
bin | 111110000001010… |
… | …110101000000101 |
3 | 2200111222000120111 |
4 | 332001112220011 |
5 | 4112334322323 |
6 | 251130233021 |
7 | 34533314524 |
oct | 7601265005 |
9 | 2614860514 |
10 | 1040542213 |
11 | 4943a4847 |
12 | 250585771 |
13 | 137763769 |
14 | 9c2a24bb |
15 | 6153dc0d |
hex | 3e056a05 |
1040542213 has 2 divisors, whose sum is σ = 1040542214. Its totient is φ = 1040542212.
The previous prime is 1040542193. The next prime is 1040542253. The reversal of 1040542213 is 3122450401.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 707187649 + 333354564 = 26593^2 + 18258^2 .
It is a cyclic number.
It is not a de Polignac number, because 1040542213 - 213 = 1040534021 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1040542253) 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 as a sum of consecutive naturals, namely, 520271106 + 520271107.
It is an arithmetic number, because the mean of its divisors is an integer number (520271107).
Almost surely, 21040542213 is an apocalyptic number.
It is an amenable number.
1040542213 is a deficient number, since it is larger than the sum of its proper divisors (1).
1040542213 is an equidigital number, since it uses as much as digits as its factorization.
1040542213 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 960, while the sum is 22.
The square root of 1040542213 is about 32257.4365534523. The cubic root of 1040542213 is about 1013.3354463709.
Adding to 1040542213 its reverse (3122450401), we get a palindrome (4162992614).
The spelling of 1040542213 in words is "one billion, forty million, five hundred forty-two thousand, two hundred thirteen".
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