Base | Representation |
---|---|
bin | 110111111001100010… |
… | …0000101101011010001 |
3 | 102110211221022002102020 |
4 | 1233303010011223101 |
5 | 3431321231133210 |
6 | 131051353442053 |
7 | 11446516415610 |
oct | 1576304055321 |
9 | 373757262366 |
10 | 120042052305 |
11 | 46a0067769a |
12 | 1b321a10329 |
13 | b420b1c0a6 |
14 | 5b4ab71877 |
15 | 31c8a10770 |
hex | 1bf3105ad1 |
120042052305 has 32 divisors (see below), whose sum is σ = 224610253824. Its totient is φ = 53600170176.
The previous prime is 120042052297. The next prime is 120042052327. The reversal of 120042052305 is 503250240021.
It is not a de Polignac number, because 120042052305 - 23 = 120042052297 is a prime.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 13289179 + ... + 13298208.
It is an arithmetic number, because the mean of its divisors is an integer number (7019070432).
Almost surely, 2120042052305 is an apocalyptic number.
120042052305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
120042052305 is a deficient number, since it is larger than the sum of its proper divisors (104568201519).
120042052305 is a wasteful number, since it uses less digits than its factorization.
120042052305 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26587445.
The product of its (nonzero) digits is 2400, while the sum is 24.
Adding to 120042052305 its reverse (503250240021), we get a palindrome (623292292326).
The spelling of 120042052305 in words is "one hundred twenty billion, forty-two million, fifty-two thousand, three hundred five".
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