Base | Representation |
---|---|
bin | 1000010100011110101… |
… | …11001111111111100001 |
3 | 1000022212222122001020201 |
4 | 10022033113033333201 |
5 | 14140432002000431 |
6 | 335154524105201 |
7 | 26440126033462 |
oct | 4121727177741 |
9 | 1008788561221 |
10 | 285873078241 |
11 | 100268999953 |
12 | 474a2395201 |
13 | 20c5b1413ca |
14 | db9cc6ad69 |
15 | 7682359461 |
hex | 428f5cffe1 |
285873078241 has 3 divisors (see below), whose sum is σ = 285873612913. Its totient is φ = 285872543570.
The previous prime is 285873078229. The next prime is 285873078263. The reversal of 285873078241 is 142870378582.
The square root of 285873078241 is 534671.
It is a perfect power (a square), and thus also a powerful number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is not a de Polignac number, because 285873078241 - 215 = 285873045473 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (285873078041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 267336 + ... + 802006.
Almost surely, 2285873078241 is an apocalyptic number.
285873078241 is the 534671-st square number.
285873078241 is the 267336-th centered octagonal number.
It is an amenable number.
285873078241 is a deficient number, since it is larger than the sum of its proper divisors (534672).
285873078241 is an frugal number, since it uses more digits than its factorization.
285873078241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1069342 (or 534671 counting only the distinct ones).
The product of its (nonzero) digits is 6021120, while the sum is 55.
The spelling of 285873078241 in words is "two hundred eighty-five billion, eight hundred seventy-three million, seventy-eight thousand, two hundred forty-one".
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