Base | Representation |
---|---|
bin | 10010101001111001… |
… | …100111011001110101 |
3 | 1220200221120210121122 |
4 | 102221321213121311 |
5 | 312010230303133 |
6 | 13111331153325 |
7 | 1306240634042 |
oct | 225171473165 |
9 | 56627523548 |
10 | 20030322293 |
11 | 854965a673 |
12 | 3a70145845 |
13 | 1b72a63517 |
14 | d8033a1c9 |
15 | 7c375a498 |
hex | 4a9e67675 |
20030322293 has 2 divisors, whose sum is σ = 20030322294. Its totient is φ = 20030322292.
The previous prime is 20030322281. The next prime is 20030322343. The reversal of 20030322293 is 39222303002.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 18371633764 + 1658688529 = 135542^2 + 40727^2 .
It is a cyclic number.
It is not a de Polignac number, because 20030322293 - 214 = 20030305909 is a prime.
It is a super-2 number, since 2×200303222932 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (20030327293) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10015161146 + 10015161147.
It is an arithmetic number, because the mean of its divisors is an integer number (10015161147).
Almost surely, 220030322293 is an apocalyptic number.
It is an amenable number.
20030322293 is a deficient number, since it is larger than the sum of its proper divisors (1).
20030322293 is an equidigital number, since it uses as much as digits as its factorization.
20030322293 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3888, while the sum is 26.
Adding to 20030322293 its reverse (39222303002), we get a palindrome (59252625295).
The spelling of 20030322293 in words is "twenty billion, thirty million, three hundred twenty-two thousand, two hundred ninety-three".
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