Base | Representation |
---|---|
bin | 101010010100101101… |
… | …001010011011001001 |
3 | 11100022002220211110000 |
4 | 222110231022123021 |
5 | 1221032300240410 |
6 | 32513230113213 |
7 | 3166105134366 |
oct | 522455123311 |
9 | 140262824400 |
10 | 45444540105 |
11 | 18300292668 |
12 | 898334b809 |
13 | 4393048923 |
14 | 22b170946d |
15 | 12ae99ddc0 |
hex | a94b4a6c9 |
45444540105 has 40 divisors (see below), whose sum is σ = 81663021000. Its totient is φ = 24177740544.
The previous prime is 45444540101. The next prime is 45444540143. The reversal of 45444540105 is 50104544454.
45444540105 is a `hidden beast` number, since 4 + 5 + 4 + 4 + 4 + 540 + 105 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 12664351296 + 32780188809 = 112536^2 + 181053^2 .
It is not a de Polignac number, because 45444540105 - 22 = 45444540101 is a prime.
It is a super-2 number, since 2×454445401052 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 45444540105.
It is not an unprimeable number, because it can be changed into a prime (45444540101) 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 39 ways as a sum of consecutive naturals, for example, 28471 + ... + 302819.
It is an arithmetic number, because the mean of its divisors is an integer number (2041575525).
Almost surely, 245444540105 is an apocalyptic number.
45444540105 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
45444540105 is a deficient number, since it is larger than the sum of its proper divisors (36218480895).
45444540105 is a wasteful number, since it uses less digits than its factorization.
45444540105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 274775 (or 274766 counting only the distinct ones).
The product of its (nonzero) digits is 128000, while the sum is 36.
The spelling of 45444540105 in words is "forty-five billion, four hundred forty-four million, five hundred forty thousand, one hundred five".
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