Base | Representation |
---|---|
bin | 100111110000101001… |
… | …0111001100010010001 |
3 | 22011101120110002202211 |
4 | 1033201102321202101 |
5 | 2344331324101411 |
6 | 103120331512121 |
7 | 6111620531410 |
oct | 1174122714221 |
9 | 264346402684 |
10 | 85384206481 |
11 | 33236182102 |
12 | 1466abb8641 |
13 | 8089765402 |
14 | 41bdc8d477 |
15 | 234b019221 |
hex | 13e14b9891 |
85384206481 has 8 divisors (see below), whose sum is σ = 97715082944. Its totient is φ = 73086613200.
The previous prime is 85384206473. The next prime is 85384206487. The reversal of 85384206481 is 18460248358.
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 85384206481 - 23 = 85384206473 is a prime.
It is a super-3 number, since 3×853842064813 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (85384206487) 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, 8315295 + ... + 8325556.
It is an arithmetic number, because the mean of its divisors is an integer number (12214385368).
Almost surely, 285384206481 is an apocalyptic number.
It is an amenable number.
85384206481 is a deficient number, since it is larger than the sum of its proper divisors (12330876463).
85384206481 is a wasteful number, since it uses less digits than its factorization.
85384206481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16641591.
The product of its (nonzero) digits is 1474560, while the sum is 49.
The spelling of 85384206481 in words is "eighty-five billion, three hundred eighty-four million, two hundred six thousand, four hundred eighty-one".
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