Base | Representation |
---|---|
bin | 1101101100101000111110… |
… | …10100001100001100000101 |
3 | 10221122112220102002211001121 |
4 | 12312110133110030030011 |
5 | 12422001034021031344 |
6 | 144021242341353541 |
7 | 6226115464236016 |
oct | 666243724141405 |
9 | 127575812084047 |
10 | 30121131033349 |
11 | 9663333237284 |
12 | 3465815a088b1 |
13 | 13a6544a51705 |
14 | 761c289cd00d |
15 | 3737be1e5684 |
hex | 1b651f50c305 |
30121131033349 has 2 divisors, whose sum is σ = 30121131033350. Its totient is φ = 30121131033348.
The previous prime is 30121131033317. The next prime is 30121131033467. The reversal of 30121131033349 is 94333013112103.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 29745919656324 + 375211377025 = 5453982^2 + 612545^2 .
It is a cyclic number.
It is not a de Polignac number, because 30121131033349 - 25 = 30121131033317 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30121131033649) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15060565516674 + 15060565516675.
It is an arithmetic number, because the mean of its divisors is an integer number (15060565516675).
Almost surely, 230121131033349 is an apocalyptic number.
It is an amenable number.
30121131033349 is a deficient number, since it is larger than the sum of its proper divisors (1).
30121131033349 is an equidigital number, since it uses as much as digits as its factorization.
30121131033349 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 17496, while the sum is 34.
The spelling of 30121131033349 in words is "thirty trillion, one hundred twenty-one billion, one hundred thirty-one million, thirty-three thousand, three hundred forty-nine".
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