Base | Representation |
---|---|
bin | 1111100000110… |
… | …01001010101111 |
3 | 100001212010000102 |
4 | 13300121022233 |
5 | 231303022021 |
6 | 20525021315 |
7 | 3140025404 |
oct | 760311257 |
9 | 301763012 |
10 | 130126511 |
11 | 674a8a79 |
12 | 376b483b |
13 | 20c61248 |
14 | 133d42ab |
15 | b65600b |
hex | 7c192af |
130126511 has 4 divisors (see below), whose sum is σ = 130845624. Its totient is φ = 129407400.
The previous prime is 130126453. The next prime is 130126519. The reversal of 130126511 is 115621031.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 115621031 = 547 ⋅211373.
It is a cyclic number.
It is not a de Polignac number, because 130126511 - 210 = 130125487 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130126519) 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, 359285 + ... + 359646.
It is an arithmetic number, because the mean of its divisors is an integer number (32711406).
Almost surely, 2130126511 is an apocalyptic number.
130126511 is the 5102-nd centered decagonal number.
130126511 is a deficient number, since it is larger than the sum of its proper divisors (719113).
130126511 is an equidigital number, since it uses as much as digits as its factorization.
130126511 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 719112.
The product of its (nonzero) digits is 180, while the sum is 20.
The square root of 130126511 is about 11407.3007762573. The cubic root of 130126511 is about 506.7439765937.
Adding to 130126511 its reverse (115621031), we get a palindrome (245747542).
The spelling of 130126511 in words is "one hundred thirty million, one hundred twenty-six thousand, five hundred eleven".
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