Base | Representation |
---|---|
bin | 1111100000110… |
… | …00011010101001 |
3 | 100001211221210102 |
4 | 13300120122221 |
5 | 231302422213 |
6 | 20524555145 |
7 | 3140013416 |
oct | 760303251 |
9 | 301757712 |
10 | 130123433 |
11 | 674a6730 |
12 | 376b2ab5 |
13 | 20c5ca1b |
14 | 133d310d |
15 | b655158 |
hex | 7c186a9 |
130123433 has 4 divisors (see below), whose sum is σ = 141952848. Its totient is φ = 118294020.
The previous prime is 130123421. The next prime is 130123453. The reversal of 130123433 is 334321031.
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.
It is a cyclic number.
It is not a de Polignac number, because 130123433 - 24 = 130123417 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (130123403) 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, 5914691 + ... + 5914712.
It is an arithmetic number, because the mean of its divisors is an integer number (35488212).
Almost surely, 2130123433 is an apocalyptic number.
It is an amenable number.
130123433 is a deficient number, since it is larger than the sum of its proper divisors (11829415).
130123433 is a wasteful number, since it uses less digits than its factorization.
130123433 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11829414.
The product of its (nonzero) digits is 648, while the sum is 20.
The square root of 130123433 is about 11407.1658618607. The cubic root of 130123433 is about 506.7399810711.
Adding to 130123433 its reverse (334321031), we get a palindrome (464444464).
The spelling of 130123433 in words is "one hundred thirty million, one hundred twenty-three thousand, four hundred thirty-three".
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