Base | Representation |
---|---|
bin | 1111110000110… |
… | …00100010110101 |
3 | 100012210112021010 |
4 | 13320120202311 |
5 | 232322033414 |
6 | 21041542433 |
7 | 3163601166 |
oct | 770304265 |
9 | 305715233 |
10 | 132221109 |
11 | 686a9749 |
12 | 38344a19 |
13 | 21515757 |
14 | 137bb76d |
15 | b91b959 |
hex | 7e188b5 |
132221109 has 8 divisors (see below), whose sum is σ = 177563680. Its totient is φ = 87512976.
The previous prime is 132221041. The next prime is 132221129. The reversal of 132221109 is 901122231.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 132221109 - 28 = 132220853 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (132221129) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158122 + ... + 158955.
It is an arithmetic number, because the mean of its divisors is an integer number (22195460).
Almost surely, 2132221109 is an apocalyptic number.
It is an amenable number.
132221109 is a deficient number, since it is larger than the sum of its proper divisors (45342571).
132221109 is a wasteful number, since it uses less digits than its factorization.
132221109 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 317219.
The product of its (nonzero) digits is 216, while the sum is 21.
The square root of 132221109 is about 11498.7438009550. The cubic root of 132221109 is about 509.4484733691.
The spelling of 132221109 in words is "one hundred thirty-two million, two hundred twenty-one thousand, one hundred nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.133 sec. • engine limits •