Base | Representation |
---|---|
bin | 11011011100001… |
… | …00010100100010 |
3 | 121001010100210000 |
4 | 31232010110202 |
5 | 432411231010 |
6 | 34501320430 |
7 | 5463333045 |
oct | 1556042442 |
9 | 531110700 |
10 | 230180130 |
11 | 108a26814 |
12 | 65106116 |
13 | 388c327b |
14 | 227dac5c |
15 | 1531b7c0 |
hex | db84522 |
230180130 has 40 divisors (see below), whose sum is σ = 618930972. Its totient is φ = 61381152.
The previous prime is 230180129. The next prime is 230180147. The reversal of 230180130 is 31081032.
It can be written as a sum of positive squares in 2 ways, for example, as 225630441 + 4549689 = 15021^2 + 2133^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 141277 + ... + 142896.
Almost surely, 2230180130 is an apocalyptic number.
230180130 is an abundant number, since it is smaller than the sum of its proper divisors (388750842).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230180130 is a wasteful number, since it uses less digits than its factorization.
230180130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 284192 (or 284183 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
The square root of 230180130 is about 15171.6884360311. The cubic root of 230180130 is about 612.8524740638.
The spelling of 230180130 in words is "two hundred thirty million, one hundred eighty thousand, one hundred thirty".
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