Base | Representation |
---|---|
bin | 100111111110111111… |
… | …0000100001101000011 |
3 | 22012122002200101122020 |
4 | 1033331332010031003 |
5 | 2401323003100134 |
6 | 103240155012523 |
7 | 6126551606115 |
oct | 1177576041503 |
9 | 265562611566 |
10 | 85865284419 |
11 | 33462795082 |
12 | 1478413a143 |
13 | 8135323905 |
14 | 4227b1b3b5 |
15 | 2378395b49 |
hex | 13fdf84343 |
85865284419 has 8 divisors (see below), whose sum is σ = 114492894912. Its totient is φ = 57240598440.
The previous prime is 85865284399. The next prime is 85865284441. The reversal of 85865284419 is 91448256858.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 85865284419 - 25 = 85865284387 is a prime.
It is a super-2 number, since 2×858652844192 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (85865284019) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 661677 + ... + 780734.
It is an arithmetic number, because the mean of its divisors is an integer number (14311611864).
Almost surely, 285865284419 is an apocalyptic number.
85865284419 is a deficient number, since it is larger than the sum of its proper divisors (28627610493).
85865284419 is a wasteful number, since it uses less digits than its factorization.
85865284419 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1462257.
The product of its digits is 22118400, while the sum is 60.
The spelling of 85865284419 in words is "eighty-five billion, eight hundred sixty-five million, two hundred eighty-four thousand, four hundred nineteen".
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