Base | Representation |
---|---|
bin | 1111100000111… |
… | …01100110011011 |
3 | 100001220000220212 |
4 | 13300131212123 |
5 | 231304112132 |
6 | 20525241335 |
7 | 3140132342 |
oct | 760354633 |
9 | 301800825 |
10 | 130144667 |
11 | 67510684 |
12 | 3770324b |
13 | 20c695a3 |
14 | 133dab59 |
15 | b65b5b2 |
hex | 7c1d99b |
130144667 has 4 divisors (see below), whose sum is σ = 130555536. Its totient is φ = 129733800.
The previous prime is 130144643. The next prime is 130144669. The reversal of 130144667 is 766441031.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 766441031 = 2707 ⋅283133.
It is a cyclic number.
It is not a de Polignac number, because 130144667 - 224 = 113367451 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (130144669) 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, 204959 + ... + 205592.
It is an arithmetic number, because the mean of its divisors is an integer number (32638884).
Almost surely, 2130144667 is an apocalyptic number.
130144667 is a deficient number, since it is larger than the sum of its proper divisors (410869).
130144667 is an equidigital number, since it uses as much as digits as its factorization.
130144667 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 410868.
The product of its (nonzero) digits is 12096, while the sum is 32.
The square root of 130144667 is about 11408.0965546405. The cubic root of 130144667 is about 506.7675434434.
Adding to 130144667 its reverse (766441031), we get a palindrome (896585698).
The spelling of 130144667 in words is "one hundred thirty million, one hundred forty-four thousand, six hundred sixty-seven".
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