Base | Representation |
---|---|
bin | 1111100000000… |
… | …10001001001101 |
3 | 100001200022122121 |
4 | 13300002021031 |
5 | 231242012310 |
6 | 20523012541 |
7 | 3136153432 |
oct | 760021115 |
9 | 301608577 |
10 | 130032205 |
11 | 67444136 |
12 | 3766a151 |
13 | 20c2a344 |
14 | 133abb89 |
15 | b6380da |
hex | 7c0224d |
130032205 has 4 divisors (see below), whose sum is σ = 156038652. Its totient is φ = 104025760.
The previous prime is 130032157. The next prime is 130032209. The reversal of 130032205 is 502230031.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 55071241 + 74960964 = 7421^2 + 8658^2 .
It is not a de Polignac number, because 130032205 - 221 = 127935053 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 (130032209) 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 3 ways as a sum of consecutive naturals, for example, 13003216 + ... + 13003225.
It is an arithmetic number, because the mean of its divisors is an integer number (39009663).
Almost surely, 2130032205 is an apocalyptic number.
It is an amenable number.
130032205 is a deficient number, since it is larger than the sum of its proper divisors (26006447).
130032205 is an equidigital number, since it uses as much as digits as its factorization.
130032205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26006446.
The product of its (nonzero) digits is 180, while the sum is 16.
The square root of 130032205 is about 11403.1664462113. The cubic root of 130032205 is about 506.6215302493.
Adding to 130032205 its reverse (502230031), we get a palindrome (632262236).
The spelling of 130032205 in words is "one hundred thirty million, thirty-two thousand, two hundred five".
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