Base | Representation |
---|---|
bin | 1111100000111… |
… | …10000110000011 |
3 | 100001220010200211 |
4 | 13300132012003 |
5 | 231304143231 |
6 | 20525254551 |
7 | 3140141263 |
oct | 760360603 |
9 | 301803624 |
10 | 130146691 |
11 | 67512154 |
12 | 37704457 |
13 | 20c6a49c |
14 | 133db7a3 |
15 | b65beb1 |
hex | 7c1e183 |
130146691 has 4 divisors (see below), whose sum is σ = 130437000. Its totient is φ = 129856384.
The previous prime is 130146683. The next prime is 130146707. The reversal of 130146691 is 196641031.
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 130146691 - 23 = 130146683 is a prime.
It is a super-3 number, since 3×1301466913 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a zygodrome in base 2.
It is not an unprimeable number, because it can be changed into a prime (130146661) 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 3 ways as a sum of consecutive naturals, for example, 144481 + ... + 145378.
It is an arithmetic number, because the mean of its divisors is an integer number (32609250).
Almost surely, 2130146691 is an apocalyptic number.
130146691 is a deficient number, since it is larger than the sum of its proper divisors (290309).
130146691 is an equidigital number, since it uses as much as digits as its factorization.
130146691 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 290308.
The product of its (nonzero) digits is 3888, while the sum is 31.
The square root of 130146691 is about 11408.1852632222. The cubic root of 130146691 is about 506.7701704999.
The spelling of 130146691 in words is "one hundred thirty million, one hundred forty-six thousand, six hundred ninety-one".
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