Base | Representation |
---|---|
bin | 1101011010100100100… |
… | …0100101011010111101 |
3 | 211000212220121002110000 |
4 | 3112221020211122331 |
5 | 12234001020212441 |
6 | 253513222304513 |
7 | 22436166020562 |
oct | 3265110453275 |
9 | 730786532400 |
10 | 230470866621 |
11 | 898188832a6 |
12 | 38800288139 |
13 | 1896c108978 |
14 | b224c9a869 |
15 | 5edd5ae2b6 |
hex | 35a92256bd |
230470866621 has 10 divisors (see below), whose sum is σ = 344283640382. Its totient is φ = 153647244360.
The previous prime is 230470866599. The next prime is 230470866629. The reversal of 230470866621 is 126668074032.
It can be written as a sum of positive squares in only one way, i.e., 194647733721 + 35823132900 = 441189^2 + 189270^2 .
It is not a de Polignac number, because 230470866621 - 214 = 230470850237 is a prime.
It is a super-2 number, since 2×2304708666212 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230470866629) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1422659590 + ... + 1422659751.
Almost surely, 2230470866621 is an apocalyptic number.
It is an amenable number.
230470866621 is a deficient number, since it is larger than the sum of its proper divisors (113812773761).
230470866621 is an equidigital number, since it uses as much as digits as its factorization.
230470866621 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2845319353 (or 2845319344 counting only the distinct ones).
The product of its (nonzero) digits is 580608, while the sum is 45.
The spelling of 230470866621 in words is "two hundred thirty billion, four hundred seventy million, eight hundred sixty-six thousand, six hundred twenty-one".
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