Base | Representation |
---|---|
bin | 11100000010110000… |
… | …110001011110001001 |
3 | 2212201111100221002011 |
4 | 130002300301132021 |
5 | 443131421023144 |
6 | 21455521335521 |
7 | 2114116135525 |
oct | 340260613611 |
9 | 85644327064 |
10 | 30111111049 |
11 | 11851a34448 |
12 | 5a041975a1 |
13 | 2abb3c9096 |
14 | 16590ccd85 |
15 | bb3775a34 |
hex | 702c31789 |
30111111049 has 2 divisors, whose sum is σ = 30111111050. Its totient is φ = 30111111048.
The previous prime is 30111110993. The next prime is 30111111067. The reversal of 30111111049 is 94011111103.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 18475605625 + 11635505424 = 135925^2 + 107868^2 .
It is a cyclic number.
It is not a de Polignac number, because 30111111049 - 221 = 30109013897 is a prime.
It is a super-3 number, since 3×301111110493 (a number of 32 digits) contains 333 as substring.
It is not a weakly prime, because it can be changed into another prime (30111111649) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15055555524 + 15055555525.
It is an arithmetic number, because the mean of its divisors is an integer number (15055555525).
Almost surely, 230111111049 is an apocalyptic number.
It is an amenable number.
30111111049 is a deficient number, since it is larger than the sum of its proper divisors (1).
30111111049 is an equidigital number, since it uses as much as digits as its factorization.
30111111049 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 108, while the sum is 22.
The spelling of 30111111049 in words is "thirty billion, one hundred eleven million, one hundred eleven thousand, forty-nine".
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