Base | Representation |
---|---|
bin | 1111100000111… |
… | …01110001111011 |
3 | 100001220001221010 |
4 | 13300131301323 |
5 | 231304123103 |
6 | 20525245003 |
7 | 3140134443 |
oct | 760356173 |
9 | 301801833 |
10 | 130145403 |
11 | 67511193 |
12 | 37703763 |
13 | 20c69a1b |
14 | 133db123 |
15 | b65b903 |
hex | 7c1dc7b |
130145403 has 16 divisors (see below), whose sum is σ = 175251200. Its totient is φ = 85906656.
The previous prime is 130145401. The next prime is 130145419. The reversal of 130145403 is 304541031.
It is not a de Polignac number, because 130145403 - 21 = 130145401 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 130145403.
It is not an unprimeable number, because it can be changed into a prime (130145401) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164976 + ... + 165762.
It is an arithmetic number, because the mean of its divisors is an integer number (10953200).
Almost surely, 2130145403 is an apocalyptic number.
130145403 is a deficient number, since it is larger than the sum of its proper divisors (45105797).
130145403 is a wasteful number, since it uses less digits than its factorization.
130145403 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1266.
The product of its (nonzero) digits is 720, while the sum is 21.
The square root of 130145403 is about 11408.1288123864. The cubic root of 130145403 is about 506.7684987398.
Adding to 130145403 its reverse (304541031), we get a palindrome (434686434).
The spelling of 130145403 in words is "one hundred thirty million, one hundred forty-five thousand, four hundred three".
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