Base | Representation |
---|---|
bin | 11100000111110101… |
… | …001111011111011101 |
3 | 2212221102102022012101 |
4 | 130013311033133131 |
5 | 443320204344134 |
6 | 21512200405101 |
7 | 2116201125112 |
oct | 340765173735 |
9 | 85842368171 |
10 | 30196168669 |
11 | 11895a4a4a7 |
12 | 5a28776791 |
13 | 2b02c0a534 |
14 | 1666510909 |
15 | bbae77e14 |
hex | 707d4f7dd |
30196168669 has 2 divisors, whose sum is σ = 30196168670. Its totient is φ = 30196168668.
The previous prime is 30196168649. The next prime is 30196168693. The reversal of 30196168669 is 96686169103.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 25100064900 + 5096103769 = 158430^2 + 71387^2 .
It is a cyclic number.
It is not a de Polignac number, because 30196168669 - 25 = 30196168637 is a prime.
It is a super-2 number, since 2×301961686692 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30196168649) 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, 15098084334 + 15098084335.
It is an arithmetic number, because the mean of its divisors is an integer number (15098084335).
Almost surely, 230196168669 is an apocalyptic number.
It is an amenable number.
30196168669 is a deficient number, since it is larger than the sum of its proper divisors (1).
30196168669 is an equidigital number, since it uses as much as digits as its factorization.
30196168669 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2519424, while the sum is 55.
The spelling of 30196168669 in words is "thirty billion, one hundred ninety-six million, one hundred sixty-eight thousand, six hundred sixty-nine".
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