Base | Representation |
---|---|
bin | 1111100000001… |
… | …00110101101011 |
3 | 100001200212210102 |
4 | 13300010311223 |
5 | 231242340433 |
6 | 20523140015 |
7 | 3136230551 |
oct | 760046553 |
9 | 301625712 |
10 | 130043243 |
11 | 67451460 |
12 | 3767460b |
13 | 20c32385 |
14 | 133b1bd1 |
15 | b63b4e8 |
hex | 7c04d6b |
130043243 has 16 divisors (see below), whose sum is σ = 144460800. Its totient is φ = 116076480.
The previous prime is 130043237. The next prime is 130043297. The reversal of 130043243 is 342340031.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-130043243 is a prime.
It is a super-2 number, since 2×1300432432 = 33822490099914098, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (130043143) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228263 + ... + 228831.
It is an arithmetic number, because the mean of its divisors is an integer number (9028800).
Almost surely, 2130043243 is an apocalyptic number.
130043243 is a deficient number, since it is larger than the sum of its proper divisors (14417557).
130043243 is a wasteful number, since it uses less digits than its factorization.
130043243 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 922.
The product of its (nonzero) digits is 864, while the sum is 20.
The square root of 130043243 is about 11403.6504243159. The cubic root of 130043243 is about 506.6358649808.
Adding to 130043243 its reverse (342340031), we get a palindrome (472383274).
The spelling of 130043243 in words is "one hundred thirty million, forty-three thousand, two hundred forty-three".
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