Base | Representation |
---|---|
bin | 100001000111001… |
… | …0100011100011001 |
3 | 2212102122012002100 |
4 | 1002032110130121 |
5 | 4233412100014 |
6 | 302125354013 |
7 | 36350524566 |
oct | 10216243431 |
9 | 2772565070 |
10 | 1111050009 |
11 | 520182353 |
12 | 270108909 |
13 | 14924c454 |
14 | a77b786d |
15 | 6781a009 |
hex | 42394719 |
1111050009 has 12 divisors (see below), whose sum is σ = 1605583252. Its totient is φ = 740361600.
The previous prime is 1111050007. The next prime is 1111050037. The reversal of 1111050009 is 9000501111.
It can be written as a sum of positive squares in 2 ways, for example, as 207446409 + 903603600 = 14403^2 + 30060^2 .
It is not a de Polignac number, because 1111050009 - 21 = 1111050007 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1111049973 and 1111050000.
It is not an unprimeable number, because it can be changed into a prime (1111050007) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6532 + ... + 47589.
Almost surely, 21111050009 is an apocalyptic number.
It is an amenable number.
1111050009 is a deficient number, since it is larger than the sum of its proper divisors (494533243).
1111050009 is a wasteful number, since it uses less digits than its factorization.
1111050009 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56408 (or 56405 counting only the distinct ones).
The product of its (nonzero) digits is 45, while the sum is 18.
The square root of 1111050009 is about 33332.4167890659. The cubic root of 1111050009 is about 1035.7251824567.
The spelling of 1111050009 in words is "one billion, one hundred eleven million, fifty thousand, nine".
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