Base | Representation |
---|---|
bin | 1011010010011101… |
… | …1010010011010111 |
3 | 21211011220122102022 |
4 | 2310213122103113 |
5 | 22201214331411 |
6 | 1220404203355 |
7 | 135043350320 |
oct | 26447322327 |
9 | 7734818368 |
10 | 3030230231 |
11 | 1315538906 |
12 | 70699955b |
13 | 393a3a252 |
14 | 20a635447 |
15 | 12b065edb |
hex | b49da4d7 |
3030230231 has 4 divisors (see below), whose sum is σ = 3463120272. Its totient is φ = 2597340192.
The previous prime is 3030230183. The next prime is 3030230237. The reversal of 3030230231 is 1320320303.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 3030230231 - 226 = 2963121367 is a prime.
It is a super-2 number, since 2×30302302312 = 18364590505732626722, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3030230237) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216445010 + ... + 216445023.
It is an arithmetic number, because the mean of its divisors is an integer number (865780068).
Almost surely, 23030230231 is an apocalyptic number.
3030230231 is a deficient number, since it is larger than the sum of its proper divisors (432890041).
3030230231 is an equidigital number, since it uses as much as digits as its factorization.
3030230231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 432890040.
The product of its (nonzero) digits is 324, while the sum is 17.
The square root of 3030230231 is about 55047.5270198399. The cubic root of 3030230231 is about 1447.0777819652.
Adding to 3030230231 its reverse (1320320303), we get a palindrome (4350550534).
The spelling of 3030230231 in words is "three billion, thirty million, two hundred thirty thousand, two hundred thirty-one".
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