Base | Representation |
---|---|
bin | 10010110101111110… |
… | …111000101000110001 |
3 | 1221020002000102120122 |
4 | 102311332320220301 |
5 | 312414123431233 |
6 | 13143412020025 |
7 | 1314251630135 |
oct | 226576705061 |
9 | 57202012518 |
10 | 20233030193 |
11 | 8643022062 |
12 | 3b08001615 |
13 | 1ba5a5821c |
14 | d9d2253c5 |
15 | 7d644bd98 |
hex | 4b5fb8a31 |
20233030193 has 2 divisors, whose sum is σ = 20233030194. Its totient is φ = 20233030192.
The previous prime is 20233030091. The next prime is 20233030219. The reversal of 20233030193 is 39103033202.
It is an a-pointer prime, because the next prime (20233030219) can be obtained adding 20233030193 to its sum of digits (26).
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 13127888929 + 7105141264 = 114577^2 + 84292^2 .
It is a cyclic number.
It is not a de Polignac number, because 20233030193 - 212 = 20233026097 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (20233033193) 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, 10116515096 + 10116515097.
It is an arithmetic number, because the mean of its divisors is an integer number (10116515097).
Almost surely, 220233030193 is an apocalyptic number.
It is an amenable number.
20233030193 is a deficient number, since it is larger than the sum of its proper divisors (1).
20233030193 is an equidigital number, since it uses as much as digits as its factorization.
20233030193 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2916, while the sum is 26.
Adding to 20233030193 its reverse (39103033202), we get a palindrome (59336063395).
The spelling of 20233030193 in words is "twenty billion, two hundred thirty-three million, thirty thousand, one hundred ninety-three".
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