Base | Representation |
---|---|
bin | 11011011110111… |
… | …11000001101111 |
3 | 121001211020102111 |
4 | 31233133001233 |
5 | 433010123123 |
6 | 34513304451 |
7 | 5466441166 |
oct | 1557370157 |
9 | 531736374 |
10 | 230551663 |
11 | 10915a971 |
12 | 65265127 |
13 | 389c3404 |
14 | 228963dd |
15 | 1539190d |
hex | dbdf06f |
230551663 has 2 divisors, whose sum is σ = 230551664. Its totient is φ = 230551662.
The previous prime is 230551639. The next prime is 230551669. The reversal of 230551663 is 366155032.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 230551663 - 25 = 230551631 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (230551669) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115275831 + 115275832.
It is an arithmetic number, because the mean of its divisors is an integer number (115275832).
Almost surely, 2230551663 is an apocalyptic number.
230551663 is a deficient number, since it is larger than the sum of its proper divisors (1).
230551663 is an equidigital number, since it uses as much as digits as its factorization.
230551663 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 16200, while the sum is 31.
The square root of 230551663 is about 15183.9277856555. The cubic root of 230551663 is about 613.1820312107.
The spelling of 230551663 in words is "two hundred thirty million, five hundred fifty-one thousand, six hundred sixty-three".
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