Base | Representation |
---|---|
bin | 11110000001000111… |
… | …100000100010010001 |
3 | 10002012020022110022111 |
4 | 132001013200202101 |
5 | 1012002114001314 |
6 | 22450130105321 |
7 | 2220466660432 |
oct | 360107404221 |
9 | 102166273274 |
10 | 32231000209 |
11 | 1273a617561 |
12 | 62b611b241 |
13 | 306865ba75 |
14 | 17ba875489 |
15 | c8991aec4 |
hex | 7811e0891 |
32231000209 has 4 divisors (see below), whose sum is σ = 32369330916. Its totient is φ = 32092669504.
The previous prime is 32231000183. The next prime is 32231000231. The reversal of 32231000209 is 90200013223.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90200013223 = 19 ⋅4747369117.
It can be written as a sum of positive squares in 2 ways, for example, as 14096337984 + 18134662225 = 118728^2 + 134665^2 .
It is a cyclic number.
It is not a de Polignac number, because 32231000209 - 211 = 32230998161 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 32231000209.
It is not an unprimeable number, because it can be changed into a prime (32231000239) 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 3 ways as a sum of consecutive naturals, for example, 69165004 + ... + 69165469.
It is an arithmetic number, because the mean of its divisors is an integer number (8092332729).
Almost surely, 232231000209 is an apocalyptic number.
It is an amenable number.
32231000209 is a deficient number, since it is larger than the sum of its proper divisors (138330707).
32231000209 is a wasteful number, since it uses less digits than its factorization.
32231000209 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 138330706.
The product of its (nonzero) digits is 648, while the sum is 22.
The spelling of 32231000209 in words is "thirty-two billion, two hundred thirty-one million, two hundred nine", and thus it is an aban number.
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