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1124212009 = 23832112791
BaseRepresentation
bin100001100000010…
…0001110100101001
32220100101212221211
41003000201310221
54300244241014
6303315433121
736600434014
oct10300416451
92810355854
101124212009
11527652138
122745b57a1
1314bbaa30b
14a944237b
1568a69cc4
hex43021d29

1124212009 has 16 divisors (see below), whose sum is σ = 1193278464. Its totient is φ = 1056963600.

The previous prime is 1124211973. The next prime is 1124212043. The reversal of 1124212009 is 9002124211.

It is a cyclic number.

It is not a de Polignac number, because 1124212009 - 215 = 1124179241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1124212079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 401404 + ... + 404194.

It is an arithmetic number, because the mean of its divisors is an integer number (74579904).

Almost surely, 21124212009 is an apocalyptic number.

It is an amenable number.

1124212009 is a deficient number, since it is larger than the sum of its proper divisors (69066455).

1124212009 is a wasteful number, since it uses less digits than its factorization.

1124212009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3108.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1124212009 is about 33529.2709285484. The cubic root of 1124212009 is about 1039.7990270559.

The spelling of 1124212009 in words is "one billion, one hundred twenty-four million, two hundred twelve thousand, nine".

Divisors: 1 23 83 211 1909 2791 4853 17513 64193 231653 402799 588901 5328019 13544723 48878783 1124212009