Base | Representation |
---|---|
bin | 11011100101001001101001… |
… | …001100011001001101101000 |
3 | 120220111012002200020012112020 |
4 | 123211021221030121031220 |
5 | 111344340333143332222 |
6 | 1105552320144344440 |
7 | 34356436544244441 |
oct | 3345115114311550 |
9 | 526435080205466 |
10 | 121300231230312 |
11 | 3571715926a132 |
12 | 1173096a015120 |
13 | 528b7413c4384 |
14 | 21d4d6920a2c8 |
15 | e0546da0365c |
hex | 6e5269319368 |
121300231230312 has 32 divisors (see below), whose sum is σ = 306657887947200. Its totient is φ = 39979102427264.
The previous prime is 121300231230239. The next prime is 121300231230313. The reversal of 121300231230312 is 213032132003121.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is not an unprimeable number, because it can be changed into a prime (121300231230313) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28394246748 + ... + 28394251019.
It is an arithmetic number, because the mean of its divisors is an integer number (9583058998350).
Almost surely, 2121300231230312 is an apocalyptic number.
121300231230312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
121300231230312 is an abundant number, since it is smaller than the sum of its proper divisors (185357656716888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121300231230312 is a wasteful number, since it uses less digits than its factorization.
121300231230312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56788497865 (or 56788497861 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 24.
Adding to 121300231230312 its reverse (213032132003121), we get a palindrome (334332363233433).
The spelling of 121300231230312 in words is "one hundred twenty-one trillion, three hundred billion, two hundred thirty-one million, two hundred thirty thousand, three hundred twelve".
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