Base | Representation |
---|---|
bin | 1011000111111001100000… |
… | …1101010100100010001000 |
3 | 1121022012121102011211212112 |
4 | 2301332120031110202020 |
5 | 3100340201313124040 |
6 | 42002311201201452 |
7 | 2401416603435542 |
oct | 261763015244210 |
9 | 47265542154775 |
10 | 12230325520520 |
11 | 3995940a04458 |
12 | 145639b330288 |
13 | 6a9412668a33 |
14 | 303d45442692 |
15 | 16321386e365 |
hex | b1f98354888 |
12230325520520 has 64 divisors (see below), whose sum is σ = 27678614088240. Its totient is φ = 4863620608000.
The previous prime is 12230325520493. The next prime is 12230325520529. The reversal of 12230325520520 is 2502552303221.
It can be written as a sum of positive squares in 8 ways, for example, as 7596561266596 + 4633764253924 = 2756186^2 + 2152618^2 .
It is not an unprimeable number, because it can be changed into a prime (12230325520529) 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 15 ways as a sum of consecutive naturals, for example, 289241780 + ... + 289284060.
Almost surely, 212230325520520 is an apocalyptic number.
12230325520520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12230325520520 is an abundant number, since it is smaller than the sum of its proper divisors (15448288567720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12230325520520 is a wasteful number, since it uses less digits than its factorization.
12230325520520 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 84266 (or 84262 counting only the distinct ones).
The product of its (nonzero) digits is 36000, while the sum is 32.
Adding to 12230325520520 its reverse (2502552303221), we get a palindrome (14732877823741).
The spelling of 12230325520520 in words is "twelve trillion, two hundred thirty billion, three hundred twenty-five million, five hundred twenty thousand, five hundred twenty".
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