Base | Representation |
---|---|
bin | 1101011001001100111… |
… | …0000011000100010101 |
3 | 210222221021202200200112 |
4 | 3112103032003010111 |
5 | 12232222404400041 |
6 | 253412530052405 |
7 | 22424112633362 |
oct | 3262316030425 |
9 | 728837680615 |
10 | 230103200021 |
11 | 8964a291a02 |
12 | 3871911a105 |
13 | 18910ba8476 |
14 | b1cc111469 |
15 | 5ebb185deb |
hex | 3593383115 |
230103200021 has 4 divisors (see below), whose sum is σ = 230933897772. Its totient is φ = 229272502272.
The previous prime is 230103200009. The next prime is 230103200039. The reversal of 230103200021 is 120002301032.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 39357004996 + 190746195025 = 198386^2 + 436745^2 .
It is a cyclic number.
It is not a de Polignac number, because 230103200021 - 214 = 230103183637 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 230103199969 and 230103200005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230103200221) 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 3 ways as a sum of consecutive naturals, for example, 415348460 + ... + 415349013.
It is an arithmetic number, because the mean of its divisors is an integer number (57733474443).
Almost surely, 2230103200021 is an apocalyptic number.
It is an amenable number.
230103200021 is a deficient number, since it is larger than the sum of its proper divisors (830697751).
230103200021 is an equidigital number, since it uses as much as digits as its factorization.
230103200021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 830697750.
The product of its (nonzero) digits is 72, while the sum is 14.
Adding to 230103200021 its reverse (120002301032), we get a palindrome (350105501053).
The spelling of 230103200021 in words is "two hundred thirty billion, one hundred three million, two hundred thousand, twenty-one".
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