Base | Representation |
---|---|
bin | 100100101110001… |
… | …1110100100011001 |
3 | 10011212121100101110 |
4 | 1021130132210121 |
5 | 10010420431014 |
6 | 322134210533 |
7 | 42351354453 |
oct | 11134364431 |
9 | 3155540343 |
10 | 1232202009 |
11 | 582600675 |
12 | 2a47b3a49 |
13 | 16838a81c |
14 | b99132d3 |
15 | 7329bd59 |
hex | 4971e919 |
1232202009 has 16 divisors (see below), whose sum is σ = 1688559488. Its totient is φ = 798688512.
The previous prime is 1232201969. The next prime is 1232202011. The reversal of 1232202009 is 9002022321.
It is not a de Polignac number, because 1232202009 - 27 = 1232201881 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1232202019) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194124 + ... + 200370.
It is an arithmetic number, because the mean of its divisors is an integer number (105534968).
Almost surely, 21232202009 is an apocalyptic number.
It is an amenable number.
1232202009 is a deficient number, since it is larger than the sum of its proper divisors (456357479).
1232202009 is a wasteful number, since it uses less digits than its factorization.
1232202009 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8064.
The product of its (nonzero) digits is 432, while the sum is 21.
The square root of 1232202009 is about 35102.7350643792. The cubic root of 1232202009 is about 1072.0802715310.
The spelling of 1232202009 in words is "one billion, two hundred thirty-two million, two hundred two thousand, nine".
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