Base | Representation |
---|---|
bin | 1111100011111… |
… | …11011100011001 |
3 | 100002122101200001 |
4 | 13301333130121 |
5 | 231404423213 |
6 | 20542013001 |
7 | 3143421634 |
oct | 761773431 |
9 | 302571601 |
10 | 130545433 |
11 | 67764797 |
12 | 37877161 |
13 | 21079b25 |
14 | 134a2c1b |
15 | b6da1dd |
hex | 7c7f719 |
130545433 has 4 divisors (see below), whose sum is σ = 134756608. Its totient is φ = 126334260.
The previous prime is 130545427. The next prime is 130545449. The reversal of 130545433 is 334545031.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 334545031 = 43 ⋅7780117.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-130545433 is a prime.
It is a super-2 number, since 2×1305454332 = 34084220154314978, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (130545133) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2105541 + ... + 2105602.
It is an arithmetic number, because the mean of its divisors is an integer number (33689152).
Almost surely, 2130545433 is an apocalyptic number.
It is an amenable number.
130545433 is a deficient number, since it is larger than the sum of its proper divisors (4211175).
130545433 is an equidigital number, since it uses as much as digits as its factorization.
130545433 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4211174.
The product of its (nonzero) digits is 10800, while the sum is 28.
The square root of 130545433 is about 11425.6480341379. The cubic root of 130545433 is about 507.2871884718.
The spelling of 130545433 in words is "one hundred thirty million, five hundred forty-five thousand, four hundred thirty-three".
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