Base | Representation |
---|---|
bin | 1101011010110100101… |
… | …0100011011010110011 |
3 | 211001001121211210102210 |
4 | 3112231022203122303 |
5 | 12234120323212241 |
6 | 253524035543203 |
7 | 22440646563063 |
oct | 3265512433263 |
9 | 731047753383 |
10 | 230538491571 |
11 | 89852a71993 |
12 | 3881aa5ab03 |
13 | 1898012542b |
14 | b22dc613a3 |
15 | 5ee44bb316 |
hex | 35ad2a36b3 |
230538491571 has 16 divisors (see below), whose sum is σ = 320796748800. Its totient is φ = 146988262080.
The previous prime is 230538491531. The next prime is 230538491587. The reversal of 230538491571 is 175194835032.
It is not a de Polignac number, because 230538491571 - 221 = 230536394419 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 230538491571.
It is not an unprimeable number, because it can be changed into a prime (230538491531) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227830 + ... + 716228.
It is an arithmetic number, because the mean of its divisors is an integer number (20049796800).
Almost surely, 2230538491571 is an apocalyptic number.
230538491571 is a deficient number, since it is larger than the sum of its proper divisors (90258257229).
230538491571 is a wasteful number, since it uses less digits than its factorization.
230538491571 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 495266.
The product of its (nonzero) digits is 907200, while the sum is 48.
It can be divided in two parts, 2305384 and 91571, that added together give a triangular number (2396955 = T2189).
The spelling of 230538491571 in words is "two hundred thirty billion, five hundred thirty-eight million, four hundred ninety-one thousand, five hundred seventy-one".
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