Base | Representation |
---|---|
bin | 100100111111000… |
… | …0100111101011001 |
3 | 10012111011211200200 |
4 | 1021332010331121 |
5 | 10020144310014 |
6 | 323051052413 |
7 | 42516260661 |
oct | 11176047531 |
9 | 3174154620 |
10 | 1241010009 |
11 | 587577208 |
12 | 2a7741109 |
13 | 16a152965 |
14 | bab671a1 |
15 | 73e3ba09 |
hex | 49f84f59 |
1241010009 has 12 divisors (see below), whose sum is σ = 1794292500. Its totient is φ = 826545024.
The previous prime is 1241009993. The next prime is 1241010019. The reversal of 1241010009 is 9000101421.
It can be written as a sum of positive squares in 2 ways, for example, as 1150227225 + 90782784 = 33915^2 + 9528^2 .
It is not a de Polignac number, because 1241010009 - 24 = 1241009993 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1241009973 and 1241010000.
It is not an unprimeable number, because it can be changed into a prime (1241010019) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56284 + ... + 75165.
It is an arithmetic number, because the mean of its divisors is an integer number (149524375).
Almost surely, 21241010009 is an apocalyptic number.
It is an amenable number.
1241010009 is a deficient number, since it is larger than the sum of its proper divisors (553282491).
1241010009 is a wasteful number, since it uses less digits than its factorization.
1241010009 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 132504 (or 132501 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 18.
The square root of 1241010009 is about 35227.9719683095. The cubic root of 1241010009 is about 1074.6286827184.
The spelling of 1241010009 in words is "one billion, two hundred forty-one million, ten thousand, nine".
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