Base | Representation |
---|---|
bin | 1111011111111… |
… | …11111101001001 |
3 | 100001122212100121 |
4 | 13233333331021 |
5 | 231241220431 |
6 | 20522503241 |
7 | 3136115335 |
oct | 757777511 |
9 | 301585317 |
10 | 130023241 |
11 | 67438427 |
12 | 37664b21 |
13 | 20c2623a |
14 | 133a87c5 |
15 | b635611 |
hex | 7bfff49 |
130023241 has 8 divisors (see below), whose sum is σ = 131241600. Its totient is φ = 128809200.
The previous prime is 130023233. The next prime is 130023247. The reversal of 130023241 is 142320031.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 130023241 - 23 = 130023233 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (130023247) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99291 + ... + 100591.
It is an arithmetic number, because the mean of its divisors is an integer number (16405200).
Almost surely, 2130023241 is an apocalyptic number.
It is an amenable number.
130023241 is a deficient number, since it is larger than the sum of its proper divisors (1218359).
130023241 is a wasteful number, since it uses less digits than its factorization.
130023241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2159.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 130023241 is about 11402.7733907151. The cubic root of 130023241 is about 506.6098883647.
Adding to 130023241 its reverse (142320031), we get a palindrome (272343272).
The spelling of 130023241 in words is "one hundred thirty million, twenty-three thousand, two hundred forty-one".
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