Base | Representation |
---|---|
bin | 1111100011000… |
… | …11110000000101 |
3 | 100002102122002000 |
4 | 13301203300011 |
5 | 231342311010 |
6 | 20535335513 |
7 | 3142440144 |
oct | 761436005 |
9 | 302378060 |
10 | 130432005 |
11 | 67697550 |
12 | 37821599 |
13 | 2103a302 |
14 | 1347375b |
15 | b6b67c0 |
hex | 7c63c05 |
130432005 has 32 divisors (see below), whose sum is σ = 252961920. Its totient is φ = 63239040.
The previous prime is 130431997. The next prime is 130432009. The reversal of 130432005 is 500234031.
It is not a de Polignac number, because 130432005 - 23 = 130431997 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130432009) 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 31 ways as a sum of consecutive naturals, for example, 42432 + ... + 45401.
It is an arithmetic number, because the mean of its divisors is an integer number (7905060).
Almost surely, 2130432005 is an apocalyptic number.
130432005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
130432005 is a deficient number, since it is larger than the sum of its proper divisors (122529915).
130432005 is a wasteful number, since it uses less digits than its factorization.
130432005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 87858 (or 87852 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 18.
The square root of 130432005 is about 11420.6832107366. The cubic root of 130432005 is about 507.1402224101.
Adding to 130432005 its reverse (500234031), we get a palindrome (630666036).
The spelling of 130432005 in words is "one hundred thirty million, four hundred thirty-two thousand, five".
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