Base | Representation |
---|---|
bin | 10110111111101010… |
… | …10000100010100101 |
3 | 1011212100200220111102 |
4 | 23133311100202211 |
5 | 200240333341031 |
6 | 5401000445445 |
7 | 614632411610 |
oct | 133765204245 |
9 | 34770626442 |
10 | 12345215141 |
11 | 5265608946 |
12 | 2486479885 |
13 | 1219833b3c |
14 | 851801177 |
15 | 4c3c117cb |
hex | 2dfd508a5 |
12345215141 has 16 divisors (see below), whose sum is σ = 14156862720. Its totient is φ = 10545638400.
The previous prime is 12345215101. The next prime is 12345215171. The reversal of 12345215141 is 14151254321.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 12345215141 - 226 = 12278106277 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12345215101) 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, 3738191 + ... + 3741491.
It is an arithmetic number, because the mean of its divisors is an integer number (884803920).
Almost surely, 212345215141 is an apocalyptic number.
It is an amenable number.
12345215141 is a deficient number, since it is larger than the sum of its proper divisors (1811647579).
12345215141 is a wasteful number, since it uses less digits than its factorization.
12345215141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4964.
The product of its digits is 4800, while the sum is 29.
Adding to 12345215141 its reverse (14151254321), we get a palindrome (26496469462).
The spelling of 12345215141 in words is "twelve billion, three hundred forty-five million, two hundred fifteen thousand, one hundred forty-one".
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