Base | Representation |
---|---|
bin | 1111100011000… |
… | …11100010000000 |
3 | 100002102120211122 |
4 | 13301203202000 |
5 | 231342243404 |
6 | 20535331412 |
7 | 3142434416 |
oct | 761434200 |
9 | 302376748 |
10 | 130431104 |
11 | 67696901 |
12 | 37820b68 |
13 | 21039a8b |
14 | 134732b6 |
15 | b6b63be |
hex | 7c63880 |
130431104 has 16 divisors (see below), whose sum is σ = 259843470. Its totient is φ = 65215488.
The previous prime is 130431079. The next prime is 130431107. The reversal of 130431104 is 401134031.
130431104 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 91393600 + 39037504 = 9560^2 + 6248^2 .
It is a tau number, because it is divible by the number of its divisors (16).
It is not an unprimeable number, because it can be changed into a prime (130431107) 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 as a sum of consecutive naturals, namely, 509369 + ... + 509624.
Almost surely, 2130431104 is an apocalyptic number.
It is an amenable number.
130431104 is a deficient number, since it is larger than the sum of its proper divisors (129412366).
130431104 is an equidigital number, since it uses as much as digits as its factorization.
130431104 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1019007 (or 1018995 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 130431104 is about 11420.6437646921. The cubic root of 130431104 is about 507.1390546640.
Adding to 130431104 its reverse (401134031), we get a palindrome (531565135).
The spelling of 130431104 in words is "one hundred thirty million, four hundred thirty-one thousand, one hundred four".
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