Base | Representation |
---|---|
bin | 1010010001101010… |
… | …0100011001111111 |
3 | 21010020110200020122 |
4 | 2210122210121333 |
5 | 21122124201122 |
6 | 1133414405155 |
7 | 125233152656 |
oct | 24432443177 |
9 | 7106420218 |
10 | 2758428287 |
11 | 1196073aaa |
12 | 64b9607bb |
13 | 34c6331b4 |
14 | 1c24c219d |
15 | 112277142 |
hex | a46a467f |
2758428287 has 8 divisors (see below), whose sum is σ = 2778076032. Its totient is φ = 2738799000.
The previous prime is 2758428241. The next prime is 2758428289. The reversal of 2758428287 is 7828248572.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2758428287 - 26 = 2758428223 is a prime.
It is a super-2 number, since 2×27584282872 = 15217853229043508738, 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 (2758428289) by changing a digit.
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 in 7 ways as a sum of consecutive naturals, for example, 451628 + ... + 457694.
It is an arithmetic number, because the mean of its divisors is an integer number (347259504).
Almost surely, 22758428287 is an apocalyptic number.
2758428287 is a deficient number, since it is larger than the sum of its proper divisors (19647745).
2758428287 is a wasteful number, since it uses less digits than its factorization.
2758428287 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9229.
The product of its digits is 4014080, while the sum is 53.
The square root of 2758428287 is about 52520.7414932425. The cubic root of 2758428287 is about 1402.4495020493.
The spelling of 2758428287 in words is "two billion, seven hundred fifty-eight million, four hundred twenty-eight thousand, two hundred eighty-seven".
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