Base | Representation |
---|---|
bin | 10110101100000110… |
… | …10111011010010101 |
3 | 1011102220222002021121 |
4 | 23112003113122111 |
5 | 144421333004031 |
6 | 5332420043541 |
7 | 610600664011 |
oct | 132603273225 |
9 | 34386862247 |
10 | 12181141141 |
11 | 5190a336a4 |
12 | 243b5335b1 |
13 | 11c1847c30 |
14 | 837ad1541 |
15 | 4b4602011 |
hex | 2d60d7695 |
12181141141 has 8 divisors (see below), whose sum is σ = 13134831584. Its totient is φ = 11229833520.
The previous prime is 12181141139. The next prime is 12181141157. The reversal of 12181141141 is 14114118121.
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 12181141141 - 21 = 12181141139 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12181141111) 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, 585075 + ... + 605536.
It is an arithmetic number, because the mean of its divisors is an integer number (1641853948).
Almost surely, 212181141141 is an apocalyptic number.
It is an amenable number.
12181141141 is a deficient number, since it is larger than the sum of its proper divisors (953690443).
12181141141 is a wasteful number, since it uses less digits than its factorization.
12181141141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1191411.
The product of its digits is 256, while the sum is 25.
Adding to 12181141141 its reverse (14114118121), we get a palindrome (26295259262).
The spelling of 12181141141 in words is "twelve billion, one hundred eighty-one million, one hundred forty-one thousand, one hundred forty-one".
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