Base | Representation |
---|---|
bin | 1101011101011001101… |
… | …0000001110101000000 |
3 | 211002211211211002202202 |
4 | 3113112122001311000 |
5 | 12242024441223034 |
6 | 254120434132332 |
7 | 22464051043052 |
oct | 3272632016500 |
9 | 732754732682 |
10 | 231230414144 |
11 | 8a0785a4624 |
12 | 389927210a8 |
13 | 18a60597082 |
14 | b297ad58d2 |
15 | 60350e547e |
hex | 35d6681d40 |
231230414144 has 14 divisors (see below), whose sum is σ = 458847853194. Its totient is φ = 115615207040.
The previous prime is 231230414123. The next prime is 231230414183. The reversal of 231230414144 is 441414032132.
It can be written as a sum of positive squares in only one way, i.e., 142044564544 + 89185849600 = 376888^2 + 298640^2 .
It is a congruent number.
It is an unprimeable number.
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 as a sum of consecutive naturals, namely, 1806487547 + ... + 1806487674.
Almost surely, 2231230414144 is an apocalyptic number.
It is an amenable number.
231230414144 is a deficient number, since it is larger than the sum of its proper divisors (227617439050).
231230414144 is an equidigital number, since it uses as much as digits as its factorization.
231230414144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3612975233 (or 3612975223 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 29.
Adding to 231230414144 its reverse (441414032132), we get a palindrome (672644446276).
The spelling of 231230414144 in words is "two hundred thirty-one billion, two hundred thirty million, four hundred fourteen thousand, one hundred forty-four".
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