Base | Representation |
---|---|
bin | 1111100000100… |
… | …11111111110011 |
3 | 100001211000221222 |
4 | 13300103333303 |
5 | 231301332311 |
6 | 20524335255 |
7 | 3136606556 |
oct | 760237763 |
9 | 301730858 |
10 | 130105331 |
11 | 67494074 |
12 | 376a452b |
13 | 20c54705 |
14 | 133ca69d |
15 | b64eadb |
hex | 7c13ff3 |
130105331 has 4 divisors (see below), whose sum is σ = 136953000. Its totient is φ = 123257664.
The previous prime is 130105309. The next prime is 130105333. The reversal of 130105331 is 133501031.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 130105331 - 226 = 62996467 is a prime.
It is a super-2 number, since 2×1301053312 = 33854794309239122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (130105333) 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, 3423806 + ... + 3423843.
It is an arithmetic number, because the mean of its divisors is an integer number (34238250).
Almost surely, 2130105331 is an apocalyptic number.
130105331 is a deficient number, since it is larger than the sum of its proper divisors (6847669).
130105331 is an equidigital number, since it uses as much as digits as its factorization.
130105331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6847668.
The product of its (nonzero) digits is 135, while the sum is 17.
The square root of 130105331 is about 11406.3723856448. The cubic root of 130105331 is about 506.7164817614.
Adding to 130105331 its reverse (133501031), we get a palindrome (263606362).
The spelling of 130105331 in words is "one hundred thirty million, one hundred five thousand, three hundred thirty-one".
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