Base | Representation |
---|---|
bin | 111111101011001… |
… | …100000101001111 |
3 | 2202110011120021210 |
4 | 333223030011033 |
5 | 4141440130122 |
6 | 254001025503 |
7 | 35321166165 |
oct | 7753140517 |
9 | 2673146253 |
10 | 1068286287 |
11 | 4a9024332 |
12 | 259925293 |
13 | 140428983 |
14 | a1c45235 |
15 | 63bbe40c |
hex | 3facc14f |
1068286287 has 4 divisors (see below), whose sum is σ = 1424381720. Its totient is φ = 712190856.
The previous prime is 1068286279. The next prime is 1068286301. The reversal of 1068286287 is 7826828601.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 1068286287 - 23 = 1068286279 is a prime.
It is a super-2 number, since 2×10682862872 = 2282471181984492738, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1068286217) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178047712 + ... + 178047717.
It is an arithmetic number, because the mean of its divisors is an integer number (356095430).
Almost surely, 21068286287 is an apocalyptic number.
1068286287 is a deficient number, since it is larger than the sum of its proper divisors (356095433).
1068286287 is an equidigital number, since it uses as much as digits as its factorization.
1068286287 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 356095432.
The product of its (nonzero) digits is 516096, while the sum is 48.
The square root of 1068286287 is about 32684.6491032105. The cubic root of 1068286287 is about 1022.2627859800.
It can be divided in two parts, 10682 and 86287, that added together give a palindrome (96969).
The spelling of 1068286287 in words is "one billion, sixty-eight million, two hundred eighty-six thousand, two hundred eighty-seven".
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