Base | Representation |
---|---|
bin | 1011111101011110110… |
… | …1010101101010000101 |
3 | 201122101102110222102010 |
4 | 2333113231111222011 |
5 | 11331312001341131 |
6 | 234221454004433 |
7 | 20563022000625 |
oct | 2772755255205 |
9 | 648342428363 |
10 | 205482449541 |
11 | 7a165538736 |
12 | 339a77a6719 |
13 | 164b90c9665 |
14 | 9d3428a885 |
15 | 5529928b46 |
hex | 2fd7b55a85 |
205482449541 has 16 divisors (see below), whose sum is σ = 276551662464. Its totient is φ = 135702088704.
The previous prime is 205482449539. The next prime is 205482449563. The reversal of 205482449541 is 145944284502.
It is not a de Polignac number, because 205482449541 - 21 = 205482449539 is a prime.
It is a super-2 number, since 2×2054824495412 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (205482449741) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 462045 + ... + 790221.
It is an arithmetic number, because the mean of its divisors is an integer number (17284478904).
Almost surely, 2205482449541 is an apocalyptic number.
It is an amenable number.
205482449541 is a deficient number, since it is larger than the sum of its proper divisors (71069212923).
205482449541 is a wasteful number, since it uses less digits than its factorization.
205482449541 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 330140.
The product of its (nonzero) digits is 1843200, while the sum is 48.
The spelling of 205482449541 in words is "two hundred five billion, four hundred eighty-two million, four hundred forty-nine thousand, five hundred forty-one".
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