Base | Representation |
---|---|
bin | 10110101110011111… |
… | …00001000111001011 |
3 | 1011111022112021221001 |
4 | 23113033201013023 |
5 | 144441440310234 |
6 | 5334411555431 |
7 | 611232446152 |
oct | 132717410713 |
9 | 34438467831 |
10 | 12201103819 |
11 | 51a1228983 |
12 | 244615bb77 |
13 | 11c5a17378 |
14 | 83a60a599 |
15 | 4b6246d14 |
hex | 2d73e11cb |
12201103819 has 2 divisors, whose sum is σ = 12201103820. Its totient is φ = 12201103818.
The previous prime is 12201103799. The next prime is 12201103829. The reversal of 12201103819 is 91830110221.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 12201103819 - 221 = 12199006667 is a prime.
It is a super-2 number, since 2×122011038192 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (12201103829) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100551909 + 6100551910.
It is an arithmetic number, because the mean of its divisors is an integer number (6100551910).
Almost surely, 212201103819 is an apocalyptic number.
12201103819 is a deficient number, since it is larger than the sum of its proper divisors (1).
12201103819 is an equidigital number, since it uses as much as digits as its factorization.
12201103819 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 864, while the sum is 28.
The spelling of 12201103819 in words is "twelve billion, two hundred one million, one hundred three thousand, eight hundred nineteen".
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