Base | Representation |
---|---|
bin | 11011011010110… |
… | …11010010010111 |
3 | 121000210211020000 |
4 | 31231123102113 |
5 | 432340341210 |
6 | 34453542343 |
7 | 5462033040 |
oct | 1555332227 |
9 | 530724200 |
10 | 230012055 |
11 | 108921509 |
12 | 650449b3 |
13 | 38864910 |
14 | 227958c7 |
15 | 152d6ac0 |
hex | db5b497 |
230012055 has 120 divisors (see below), whose sum is σ = 513973152. Its totient is φ = 95831424.
The previous prime is 230012053. The next prime is 230012059. The reversal of 230012055 is 550210032.
It is a happy number.
It is not a de Polignac number, because 230012055 - 21 = 230012053 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230012053) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 2911506 + ... + 2911584.
Almost surely, 2230012055 is an apocalyptic number.
230012055 is an abundant number, since it is smaller than the sum of its proper divisors (283961097).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
230012055 is an equidigital number, since it uses as much as digits as its factorization.
230012055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 195 (or 107 counting only the distinct ones).
The product of its (nonzero) digits is 300, while the sum is 18.
The square root of 230012055 is about 15166.1483244758. The cubic root of 230012055 is about 612.7032716966.
Adding to 230012055 its reverse (550210032), we get a palindrome (780222087).
The spelling of 230012055 in words is "two hundred thirty million, twelve thousand, fifty-five".
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