Base | Representation |
---|---|
bin | 1101110101111110101111… |
… | …10001000111110111111100 |
3 | 10222210020021000210022102120 |
4 | 12322333113301013313330 |
5 | 12442230311110034000 |
6 | 144424515225322540 |
7 | 6261236312550666 |
oct | 672772761076774 |
9 | 128706230708376 |
10 | 30442053205500 |
11 | 9777447459142 |
12 | 34b7a5a036450 |
13 | 13ca89a315631 |
14 | 7735906a5536 |
15 | 37bd0357b6a0 |
hex | 1bafd7c47dfc |
30442053205500 has 96 divisors (see below), whose sum is σ = 89000436365568. Its totient is φ = 8085538600000.
The previous prime is 30442053205441. The next prime is 30442053205507. The reversal of 30442053205500 is 550235024403.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30442053205507) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (31) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40051194 + ... + 40804193.
It is an arithmetic number, because the mean of its divisors is an integer number (927087878808).
Almost surely, 230442053205500 is an apocalyptic number.
30442053205500 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30442053205500 is an abundant number, since it is smaller than the sum of its proper divisors (58558383160068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30442053205500 is a wasteful number, since it uses less digits than its factorization.
30442053205500 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 80855660 (or 80855648 counting only the distinct ones).
The product of its (nonzero) digits is 72000, while the sum is 33.
Adding to 30442053205500 its reverse (550235024403), we get a palindrome (30992288229903).
The spelling of 30442053205500 in words is "thirty trillion, four hundred forty-two billion, fifty-three million, two hundred five thousand, five hundred".
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