Base | Representation |
---|---|
bin | 1000010001110010100… |
… | …11000111110110110001 |
3 | 1000012011100122011222100 |
4 | 10020321103013312301 |
5 | 14130002330441021 |
6 | 334355343531013 |
7 | 26356263635112 |
oct | 4107123076661 |
9 | 1005140564870 |
10 | 284429155761 |
11 | aa697930593 |
12 | 4715a8b9a69 |
13 | 20a8ac548ca |
14 | daa31a4209 |
15 | 75ea6da626 |
hex | 42394c7db1 |
284429155761 has 27 divisors (see below), whose sum is σ = 412804265601. Its totient is φ = 188718128064.
The previous prime is 284429155739. The next prime is 284429155799. The reversal of 284429155761 is 167551924482.
The square root of 284429155761 is 533319.
It is a perfect power (a square), and thus also a powerful number.
284429155761 is a `hidden beast` number, since 2 + 8 + 4 + 4 + 29 + 1 + 557 + 61 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 4846248225 + 279582907536 = 69615^2 + 528756^2 .
It is not a de Polignac number, because 284429155761 - 25 = 284429155729 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 284429155698 and 284429155707.
It is not an unprimeable number, because it can be changed into a prime (284429155061) 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 26 ways as a sum of consecutive naturals, for example, 622383045 + ... + 622383501.
Almost surely, 2284429155761 is an apocalyptic number.
284429155761 is the 533319-th square number.
284429155761 is the 266660-th centered octagonal number.
It is an amenable number.
284429155761 is a deficient number, since it is larger than the sum of its proper divisors (128375109840).
284429155761 is an frugal number, since it uses more digits than its factorization.
284429155761 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1698 (or 849 counting only the distinct ones).
The product of its digits is 4838400, while the sum is 54.
The spelling of 284429155761 in words is "two hundred eighty-four billion, four hundred twenty-nine million, one hundred fifty-five thousand, seven hundred sixty-one".
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