Base | Representation |
---|---|
bin | 1011000111111100111001… |
… | …0000100001110100001100 |
3 | 1121022021221121111121000121 |
4 | 2301333032100201310030 |
5 | 3100344030434043040 |
6 | 42002541153234324 |
7 | 2401451224261123 |
oct | 261771620416414 |
9 | 47267847447017 |
10 | 12231232331020 |
11 | 399626686861a |
12 | 14565b2b629a4 |
13 | 6a95284a82b1 |
14 | 303dcda52aba |
15 | 163268293c4a |
hex | b1fce421d0c |
12231232331020 has 48 divisors (see below), whose sum is σ = 25727976707328. Its totient is φ = 4884419897280.
The previous prime is 12231232330997. The next prime is 12231232331027. The reversal of 12231232331020 is 2013323213221.
It is not an unprimeable number, because it can be changed into a prime (12231232331027) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324908319 + ... + 324945961.
It is an arithmetic number, because the mean of its divisors is an integer number (535999514736).
Almost surely, 212231232331020 is an apocalyptic number.
12231232331020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12231232331020 is an abundant number, since it is smaller than the sum of its proper divisors (13496744376308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12231232331020 is a wasteful number, since it uses less digits than its factorization.
12231232331020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 64030 (or 64028 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 25.
Adding to 12231232331020 its reverse (2013323213221), we get a palindrome (14244555544241).
The spelling of 12231232331020 in words is "twelve trillion, two hundred thirty-one billion, two hundred thirty-two million, three hundred thirty-one thousand, twenty".
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