Base | Representation |
---|---|
bin | 110100010100100011110001… |
… | …101010001100100101000001 |
3 | 1010011202102021201120001121112 |
4 | 310110203301222030211001 |
5 | 220130120240342033441 |
6 | 2133223345222533105 |
7 | 66316662413212253 |
oct | 6424436152144501 |
9 | 1104672251501545 |
10 | 230111222221121 |
11 | 67358691a5830a |
12 | 2198511a897195 |
13 | 9b5251a19c897 |
14 | 40b762a629cd3 |
15 | 1b90ac33da4eb |
hex | d148f1a8c941 |
230111222221121 has 8 divisors (see below), whose sum is σ = 235403462227560. Its totient is φ = 224876820903552.
The previous prime is 230111222221103. The next prime is 230111222221157. The reversal of 230111222221121 is 121122222111032.
It can be written as a sum of positive squares in 4 ways, for example, as 22911348096400 + 207199874124721 = 4786580^2 + 14394439^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 230111222221121 - 230 = 230110148479297 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (230111222221421) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14459664170 + ... + 14459680083.
It is an arithmetic number, because the mean of its divisors is an integer number (29425432778445).
Almost surely, 2230111222221121 is an apocalyptic number.
It is an amenable number.
230111222221121 is a deficient number, since it is larger than the sum of its proper divisors (5292240006439).
230111222221121 is a wasteful number, since it uses less digits than its factorization.
230111222221121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28919344435.
The product of its (nonzero) digits is 384, while the sum is 23.
Adding to 230111222221121 its reverse (121122222111032), we get a palindrome (351233444332153).
The spelling of 230111222221121 in words is "two hundred thirty trillion, one hundred eleven billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred twenty-one".
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