Base | Representation |
---|---|
bin | 100000100000000110111010… |
… | …0011110110111111111111111 |
3 | 1101111020121112200022000122222 |
4 | 1001000031310132313333333 |
5 | 244432441320231440044 |
6 | 2452011023150355555 |
7 | 114134500512033305 |
oct | 10100156436677777 |
9 | 1344217480260588 |
10 | 285887862374399 |
11 | 831023a8257aaa |
12 | 28092b967bbbbb |
13 | c36a15715126c |
14 | 5085091342275 |
15 | 230b8ecd6c8ee |
hex | 10403747b7fff |
285887862374399 has 16 divisors (see below), whose sum is σ = 303401922912000. Its totient is φ = 268451501850624.
The previous prime is 285887862374393. The next prime is 285887862374417. The reversal of 285887862374399 is 993473268788582.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-285887862374399 is a prime.
It is a super-2 number, since 2×2858878623743992 (a number of 30 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (285887862374393) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34152527 + ... + 41691375.
It is an arithmetic number, because the mean of its divisors is an integer number (18962620182000).
Almost surely, 2285887862374399 is an apocalyptic number.
285887862374399 is a deficient number, since it is larger than the sum of its proper divisors (17514060537601).
285887862374399 is a wasteful number, since it uses less digits than its factorization.
285887862374399 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7544002.
The product of its digits is 70230343680, while the sum is 89.
The spelling of 285887862374399 in words is "two hundred eighty-five trillion, eight hundred eighty-seven billion, eight hundred sixty-two million, three hundred seventy-four thousand, three hundred ninety-nine".
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