Base | Representation |
---|---|
bin | 1010111010100111011010… |
… | …1100111111110011111101 |
3 | 1120111101121002022000212102 |
4 | 2232221312230333303331 |
5 | 3033120330303212341 |
6 | 41305411422114445 |
7 | 2346060654565355 |
oct | 256516654776375 |
9 | 46441532260772 |
10 | 12002130132221 |
11 | 3908090623759 |
12 | 141a11511ba25 |
13 | 690a46aca958 |
14 | 2d6c9886db65 |
15 | 15c309e3ac9b |
hex | aea76b3fcfd |
12002130132221 has 8 divisors (see below), whose sum is σ = 12004381640160. Its totient is φ = 11999878824528.
The previous prime is 12002130132133. The next prime is 12002130132257. The reversal of 12002130132221 is 12223103120021.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12002130132221 - 210 = 12002130131197 is a prime.
It is a super-3 number, since 3×120021301322213 (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12002130132193 and 12002130132202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12002130138221) 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, 169805330 + ... + 169875996.
It is an arithmetic number, because the mean of its divisors is an integer number (1500547705020).
Almost surely, 212002130132221 is an apocalyptic number.
It is an amenable number.
12002130132221 is a deficient number, since it is larger than the sum of its proper divisors (2251507939).
12002130132221 is an equidigital number, since it uses as much as digits as its factorization.
12002130132221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 100123.
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 12002130132221 its reverse (12223103120021), we get a palindrome (24225233252242).
The spelling of 12002130132221 in words is "twelve trillion, two billion, one hundred thirty million, one hundred thirty-two thousand, two hundred twenty-one".
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