Base | Representation |
---|---|
bin | 101000100011010110… |
… | …0100110101100001110 |
3 | 22022210010121220201102 |
4 | 1101012230212230032 |
5 | 2411322333200404 |
6 | 104001223143102 |
7 | 6202026026213 |
oct | 1210654465416 |
9 | 268703556642 |
10 | 87085443854 |
11 | 33a2950aa02 |
12 | 14a648a4a92 |
13 | 829b055c46 |
14 | 4301bb7b0a |
15 | 23ea56471e |
hex | 1446b26b0e |
87085443854 has 8 divisors (see below), whose sum is σ = 130969232640. Its totient is φ = 43429032976.
The previous prime is 87085443829. The next prime is 87085443917. The reversal of 87085443854 is 45834458078.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 87085443854.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 56843519 + ... + 56845050.
It is an arithmetic number, because the mean of its divisors is an integer number (16371154080).
Almost surely, 287085443854 is an apocalyptic number.
87085443854 is a deficient number, since it is larger than the sum of its proper divisors (43883788786).
87085443854 is a wasteful number, since it uses less digits than its factorization.
87085443854 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 113688954.
The product of its (nonzero) digits is 17203200, while the sum is 56.
The spelling of 87085443854 in words is "eighty-seven billion, eighty-five million, four hundred forty-three thousand, eight hundred fifty-four".
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