Base | Representation |
---|---|
bin | 100111111001101001… |
… | …0101101010010100111 |
3 | 22012011121121020012221 |
4 | 1033303102231102213 |
5 | 2400441123134330 |
6 | 103210315253211 |
7 | 6122245140235 |
oct | 1176322552247 |
9 | 265147536187 |
10 | 85686146215 |
11 | 3338066097a |
12 | 1473414a207 |
13 | 8107192087 |
14 | 420c009955 |
15 | 23677acb7a |
hex | 13f34ad4a7 |
85686146215 has 8 divisors (see below), whose sum is σ = 102843998928. Its totient is φ = 68535168000.
The previous prime is 85686146201. The next prime is 85686146269. The reversal of 85686146215 is 51264168658.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 85686146215 - 213 = 85686138023 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1691161 + ... + 1741090.
It is an arithmetic number, because the mean of its divisors is an integer number (12855499866).
Almost surely, 285686146215 is an apocalyptic number.
85686146215 is a deficient number, since it is larger than the sum of its proper divisors (17157852713).
85686146215 is a wasteful number, since it uses less digits than its factorization.
85686146215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3437249.
The product of its digits is 2764800, while the sum is 52.
The spelling of 85686146215 in words is "eighty-five billion, six hundred eighty-six million, one hundred forty-six thousand, two hundred fifteen".
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