Base | Representation |
---|---|
bin | 111101100100100011000… |
… | …001010011010001101101 |
3 | 112222111021202012000100221 |
4 | 331210203001103101231 |
5 | 1023310323331031341 |
6 | 12555430543051341 |
7 | 614455232254264 |
oct | 75444301232155 |
9 | 15874252160327 |
10 | 4231130330221 |
11 | 1391459847703 |
12 | 584030ba0b51 |
13 | 248cbc71ca42 |
14 | 108b05a215db |
15 | 750dc3d0ed1 |
hex | 3d92305346d |
4231130330221 has 2 divisors, whose sum is σ = 4231130330222. Its totient is φ = 4231130330220.
The previous prime is 4231130330183. The next prime is 4231130330227. The reversal of 4231130330221 is 1220330311324.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 4019980890121 + 211149440100 = 2004989^2 + 459510^2 .
It is a cyclic number.
It is not a de Polignac number, because 4231130330221 - 29 = 4231130329709 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (4231130330227) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2115565165110 + 2115565165111.
It is an arithmetic number, because the mean of its divisors is an integer number (2115565165111).
Almost surely, 24231130330221 is an apocalyptic number.
It is an amenable number.
4231130330221 is a deficient number, since it is larger than the sum of its proper divisors (1).
4231130330221 is an equidigital number, since it uses as much as digits as its factorization.
4231130330221 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2592, while the sum is 25.
Adding to 4231130330221 its reverse (1220330311324), we get a palindrome (5451460641545).
The spelling of 4231130330221 in words is "four trillion, two hundred thirty-one billion, one hundred thirty million, three hundred thirty thousand, two hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •