Base | Representation |
---|---|
bin | 1101111001011101000100… |
… | …00111011010001011001001 |
3 | 11000012122100100201112220101 |
4 | 12330232202013122023021 |
5 | 13001204233003142444 |
6 | 144555415142125401 |
7 | 6302663166132433 |
oct | 674564207321311 |
9 | 130178310645811 |
10 | 30561412162249 |
11 | 9813027481a51 |
12 | 351700b120861 |
13 | 1408c0c763767 |
14 | 77927481d653 |
15 | 37ee8c1083d4 |
hex | 1bcba21da2c9 |
30561412162249 has 2 divisors, whose sum is σ = 30561412162250. Its totient is φ = 30561412162248.
The previous prime is 30561412162187. The next prime is 30561412162273. The reversal of 30561412162249 is 94226121416503.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 29595427868224 + 965984294025 = 5440168^2 + 982845^2 .
It is a cyclic number.
It is not a de Polignac number, because 30561412162249 - 221 = 30561410065097 is a prime.
It is a super-2 number, since 2×305614121622492 (a number of 28 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30561412162199 and 30561412162208.
It is not a weakly prime, because it can be changed into another prime (30561412162049) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15280706081124 + 15280706081125.
It is an arithmetic number, because the mean of its divisors is an integer number (15280706081125).
Almost surely, 230561412162249 is an apocalyptic number.
It is an amenable number.
30561412162249 is a deficient number, since it is larger than the sum of its proper divisors (1).
30561412162249 is an equidigital number, since it uses as much as digits as its factorization.
30561412162249 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 622080, while the sum is 46.
The spelling of 30561412162249 in words is "thirty trillion, five hundred sixty-one billion, four hundred twelve million, one hundred sixty-two thousand, two hundred forty-nine".
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