Base | Representation |
---|---|
bin | 1000010011101010100… |
… | …01110100001010111110 |
3 | 1000021202111011000121100 |
4 | 10021311101310022332 |
5 | 14134032433232300 |
6 | 335043252113530 |
7 | 26423233154544 |
oct | 4116521641276 |
9 | 1007674130540 |
10 | 285435445950 |
11 | 100063960276 |
12 | 4739b9058a6 |
13 | 20bbb584ba5 |
14 | db5aaabd94 |
15 | 7658c10700 |
hex | 42754742be |
285435445950 has 72 divisors (see below), whose sum is σ = 811979913888. Its totient is φ = 71638698240.
The previous prime is 285435445913. The next prime is 285435445951. The reversal of 285435445950 is 59544534582.
285435445950 is a `hidden beast` number, since 2 + 8 + 5 + 4 + 3 + 5 + 44 + 595 + 0 = 666.
It is a super-3 number, since 3×2854354459503 (a number of 35 digits) contains 333 as substring.
It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (285435445951) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 18648262 + ... + 18663561.
It is an arithmetic number, because the mean of its divisors is an integer number (11277498804).
Almost surely, 2285435445950 is an apocalyptic number.
285435445950 is an abundant number, since it is smaller than the sum of its proper divisors (526544467938).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
285435445950 is a wasteful number, since it uses less digits than its factorization.
285435445950 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37311858 (or 37311850 counting only the distinct ones).
The product of its (nonzero) digits is 17280000, while the sum is 54.
The spelling of 285435445950 in words is "two hundred eighty-five billion, four hundred thirty-five million, four hundred forty-five thousand, nine hundred fifty".
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