Base | Representation |
---|---|
bin | 11011011011101… |
… | …10011111111000 |
3 | 121001000111010001 |
4 | 31231312133320 |
5 | 432402423022 |
6 | 34500202344 |
7 | 5463006013 |
oct | 1555663770 |
9 | 531014101 |
10 | 230123512 |
11 | 108998223 |
12 | 650993b4 |
13 | 388a3578 |
14 | 227c437a |
15 | 15309b27 |
hex | db767f8 |
230123512 has 16 divisors (see below), whose sum is σ = 433419840. Its totient is φ = 114544896.
The previous prime is 230123507. The next prime is 230123513. The reversal of 230123512 is 215321032.
It is a self number, because there is not a number n which added to its sum of digits gives 230123512.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230123513) 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 in 3 ways as a sum of consecutive naturals, for example, 62713 + ... + 66280.
It is an arithmetic number, because the mean of its divisors is an integer number (27088740).
Almost surely, 2230123512 is an apocalyptic number.
It is an amenable number.
230123512 is a deficient number, since it is larger than the sum of its proper divisors (203296328).
230123512 is a wasteful number, since it uses less digits than its factorization.
230123512 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 129222 (or 129218 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 19.
The square root of 230123512 is about 15169.8224116171. The cubic root of 230123512 is about 612.8022216423.
Adding to 230123512 its reverse (215321032), we get a palindrome (445444544).
The spelling of 230123512 in words is "two hundred thirty million, one hundred twenty-three thousand, five hundred twelve".
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