Base | Representation |
---|---|
bin | 1111011111111… |
… | …10011111001110 |
3 | 100001122120002222 |
4 | 13233332133032 |
5 | 231241022410 |
6 | 20522415342 |
7 | 3136061660 |
oct | 757763716 |
9 | 301576088 |
10 | 130017230 |
11 | 67433962 |
12 | 37661552 |
13 | 20c23595 |
14 | 133a6530 |
15 | b633955 |
hex | 7bfe7ce |
130017230 has 32 divisors (see below), whose sum is σ = 271857600. Its totient is φ = 43845120.
The previous prime is 130017227. The next prime is 130017257. The reversal of 130017230 is 32710031.
It is a junction number, because it is equal to n+sod(n) for n = 130017199 and 130017208.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10955 + ... + 19494.
It is an arithmetic number, because the mean of its divisors is an integer number (8495550).
Almost surely, 2130017230 is an apocalyptic number.
130017230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
130017230 is an abundant number, since it is smaller than the sum of its proper divisors (141840370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130017230 is a wasteful number, since it uses less digits than its factorization.
130017230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30524.
The product of its (nonzero) digits is 126, while the sum is 17.
The square root of 130017230 is about 11402.5098114406. The cubic root of 130017230 is about 506.6020813529.
Adding to 130017230 its reverse (32710031), we get a palindrome (162727261).
The spelling of 130017230 in words is "one hundred thirty million, seventeen thousand, two hundred thirty".
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