Base | Representation |
---|---|
bin | 100100111111101… |
… | …0110000011111101 |
3 | 10012111210201101020 |
4 | 1021333112003331 |
5 | 10020240422310 |
6 | 323102134353 |
7 | 42522143325 |
oct | 11177260375 |
9 | 3174721336 |
10 | 1241342205 |
11 | 587783854 |
12 | 2a78813b9 |
13 | 16a23ac1c |
14 | bac12285 |
15 | 73ea5170 |
hex | 49fd60fd |
1241342205 has 16 divisors (see below), whose sum is σ = 1986627840. Its totient is φ = 661889088.
The previous prime is 1241342197. The next prime is 1241342209. The reversal of 1241342205 is 5022431421.
It is not a de Polignac number, because 1241342205 - 23 = 1241342197 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1241342209) 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 in 15 ways as a sum of consecutive naturals, for example, 80499 + ... + 94671.
It is an arithmetic number, because the mean of its divisors is an integer number (124164240).
Almost surely, 21241342205 is an apocalyptic number.
1241342205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1241342205 is a deficient number, since it is larger than the sum of its proper divisors (745285635).
1241342205 is a wasteful number, since it uses less digits than its factorization.
1241342205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20020.
The product of its (nonzero) digits is 1920, while the sum is 24.
The square root of 1241342205 is about 35232.6865992362. The cubic root of 1241342205 is about 1074.7245604038.
Adding to 1241342205 its reverse (5022431421), we get a palindrome (6263773626).
The spelling of 1241342205 in words is "one billion, two hundred forty-one million, three hundred forty-two thousand, two hundred five".
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