Base | Representation |
---|---|
bin | 1101011000110101000… |
… | …0101010101001010001 |
3 | 210222200022122100011101 |
4 | 3112031100222221101 |
5 | 12232021311114441 |
6 | 253354555144401 |
7 | 22421460065500 |
oct | 3261520525121 |
9 | 728608570141 |
10 | 230003223121 |
11 | 895a8906871 |
12 | 386ab745101 |
13 | 188c6272339 |
14 | b1bcb28837 |
15 | 5eb24d8231 |
hex | 358d42aa51 |
230003223121 has 6 divisors (see below), whose sum is σ = 267554769810. Its totient is φ = 197145619776.
The previous prime is 230003223097. The next prime is 230003223139. The reversal of 230003223121 is 121322300032.
It can be written as a sum of positive squares in only one way, i.e., 220960164096 + 9043059025 = 470064^2 + 95095^2 .
It is not a de Polignac number, because 230003223121 - 29 = 230003222609 is a prime.
It is a super-4 number, since 4×2300032231214 (a number of 47 digits) contains 4444 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (230003220121) 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 5 ways as a sum of consecutive naturals, for example, 2346971616 + ... + 2346971713.
It is an arithmetic number, because the mean of its divisors is an integer number (44592461635).
Almost surely, 2230003223121 is an apocalyptic number.
It is an amenable number.
230003223121 is a deficient number, since it is larger than the sum of its proper divisors (37551546689).
230003223121 is an equidigital number, since it uses as much as digits as its factorization.
230003223121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4693943343 (or 4693943336 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 230003223121 its reverse (121322300032), we get a palindrome (351325523153).
The spelling of 230003223121 in words is "two hundred thirty billion, three million, two hundred twenty-three thousand, one hundred twenty-one".
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