Base | Representation |
---|---|
bin | 1111100001101… |
… | …01111010010010 |
3 | 100002002002111211 |
4 | 13300311322102 |
5 | 231320303432 |
6 | 20531330334 |
7 | 3141025552 |
oct | 760657222 |
9 | 302062454 |
10 | 130244242 |
11 | 67579477 |
12 | 377509aa |
13 | 20ca29cb |
14 | 13425162 |
15 | b67ad47 |
hex | 7c35e92 |
130244242 has 8 divisors (see below), whose sum is σ = 206858556. Its totient is φ = 61291392.
The previous prime is 130244227. The next prime is 130244243. The reversal of 130244242 is 242442031.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 130165281 + 78961 = 11409^2 + 281^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (130244243) 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, 1915323 + ... + 1915390.
Almost surely, 2130244242 is an apocalyptic number.
130244242 is a deficient number, since it is larger than the sum of its proper divisors (76614314).
130244242 is a wasteful number, since it uses less digits than its factorization.
130244242 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3830732.
The product of its (nonzero) digits is 1536, while the sum is 22.
The square root of 130244242 is about 11412.4599451652. The cubic root of 130244242 is about 506.8967548183.
Adding to 130244242 its reverse (242442031), we get a palindrome (372686273).
The spelling of 130244242 in words is "one hundred thirty million, two hundred forty-four thousand, two hundred forty-two".
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