Base | Representation |
---|---|
bin | 1111100001101… |
… | …01100111000011 |
3 | 100002002000211020 |
4 | 13300311213003 |
5 | 231320234021 |
6 | 20531320523 |
7 | 3141022143 |
oct | 760654703 |
9 | 302060736 |
10 | 130243011 |
11 | 67578558 |
12 | 37750143 |
13 | 20ca2292 |
14 | 13424923 |
15 | b67a7c6 |
hex | 7c359c3 |
130243011 has 4 divisors (see below), whose sum is σ = 173657352. Its totient is φ = 86828672.
The previous prime is 130243007. The next prime is 130243027. The reversal of 130243011 is 110342031.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110342031 = 3 ⋅36780677.
It is a cyclic number.
It is not a de Polignac number, because 130243011 - 22 = 130243007 is a prime.
It is a super-2 number, since 2×1302430112 = 33926483828692242, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (130243051) 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, 21707166 + ... + 21707171.
It is an arithmetic number, because the mean of its divisors is an integer number (43414338).
Almost surely, 2130243011 is an apocalyptic number.
130243011 is a deficient number, since it is larger than the sum of its proper divisors (43414341).
130243011 is an equidigital number, since it uses as much as digits as its factorization.
130243011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43414340.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 130243011 is about 11412.4060127565. The cubic root of 130243011 is about 506.8951578396.
Adding to 130243011 its reverse (110342031), we get a palindrome (240585042).
The spelling of 130243011 in words is "one hundred thirty million, two hundred forty-three thousand, eleven".
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