Base | Representation |
---|---|
bin | 110110010110101… |
… | …0111001110111001 |
3 | 11201002212012202011 |
4 | 1230231113032321 |
5 | 12213400042334 |
6 | 500551005521 |
7 | 63124210312 |
oct | 15455271671 |
9 | 4632765664 |
10 | 1823830969 |
11 | 856561224 |
12 | 42a9698a1 |
13 | 230b1512c |
14 | 13431b609 |
15 | aa1b4564 |
hex | 6cb573b9 |
1823830969 has 2 divisors, whose sum is σ = 1823830970. Its totient is φ = 1823830968.
The previous prime is 1823830963. The next prime is 1823830979. The reversal of 1823830969 is 9690383281.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1818596025 + 5234944 = 42645^2 + 2288^2 .
It is a cyclic number.
It is not a de Polignac number, because 1823830969 - 29 = 1823830457 is a prime.
It is a super-2 number, since 2×18238309692 = 6652718806966957922, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (1823830963) 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 as a sum of consecutive naturals, namely, 911915484 + 911915485.
It is an arithmetic number, because the mean of its divisors is an integer number (911915485).
Almost surely, 21823830969 is an apocalyptic number.
It is an amenable number.
1823830969 is a deficient number, since it is larger than the sum of its proper divisors (1).
1823830969 is an equidigital number, since it uses as much as digits as its factorization.
1823830969 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 559872, while the sum is 49.
The square root of 1823830969 is about 42706.3340618227. The cubic root of 1823830969 is about 1221.7852053757.
The spelling of 1823830969 in words is "one billion, eight hundred twenty-three million, eight hundred thirty thousand, nine hundred sixty-nine".
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