Base | Representation |
---|---|
bin | 11100001001011000… |
… | …100111011001110101 |
3 | 2220000020102210100121 |
4 | 130021120213121311 |
5 | 443343342000434 |
6 | 21514531011541 |
7 | 2116635423163 |
oct | 341130473165 |
9 | 86006383317 |
10 | 30222218869 |
11 | 118a9722397 |
12 | 5a35439bb1 |
13 | 2b0842b75b |
14 | 1669b72233 |
15 | bbd3c17b4 |
hex | 709627675 |
30222218869 has 2 divisors, whose sum is σ = 30222218870. Its totient is φ = 30222218868.
The previous prime is 30222218863. The next prime is 30222218893. The reversal of 30222218869 is 96881222203.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 30216868900 + 5349969 = 173830^2 + 2313^2 .
It is a cyclic number.
It is not a de Polignac number, because 30222218869 - 23 = 30222218861 is a prime.
It is a super-3 number, since 3×302222188693 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30222218861) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15111109434 + 15111109435.
It is an arithmetic number, because the mean of its divisors is an integer number (15111109435).
Almost surely, 230222218869 is an apocalyptic number.
It is an amenable number.
30222218869 is a deficient number, since it is larger than the sum of its proper divisors (1).
30222218869 is an equidigital number, since it uses as much as digits as its factorization.
30222218869 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 165888, while the sum is 43.
The spelling of 30222218869 in words is "thirty billion, two hundred twenty-two million, two hundred eighteen thousand, eight hundred sixty-nine".
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