Base | Representation |
---|---|
bin | 10110100111010100… |
… | …10101100010001100 |
3 | 1011100010110222212011 |
4 | 23103222111202030 |
5 | 144331100303140 |
6 | 5324424151004 |
7 | 606603004366 |
oct | 132352254214 |
9 | 34303428764 |
10 | 12141025420 |
11 | 5170324107 |
12 | 242a008464 |
13 | 11b6440814 |
14 | 83264bd36 |
15 | 4b0d2acea |
hex | 2d3a9588c |
12141025420 has 12 divisors (see below), whose sum is σ = 25496153424. Its totient is φ = 4856410160.
The previous prime is 12141025409. The next prime is 12141025427. The reversal of 12141025420 is 2452014121.
It is a junction number, because it is equal to n+sod(n) for n = 12141025391 and 12141025400.
It is not an unprimeable number, because it can be changed into a prime (12141025427) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303525616 + ... + 303525655.
It is an arithmetic number, because the mean of its divisors is an integer number (2124679452).
Almost surely, 212141025420 is an apocalyptic number.
12141025420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12141025420 is an abundant number, since it is smaller than the sum of its proper divisors (13355128004).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12141025420 is a wasteful number, since it uses less digits than its factorization.
12141025420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 607051280 (or 607051278 counting only the distinct ones).
The product of its (nonzero) digits is 640, while the sum is 22.
Adding to 12141025420 its reverse (2452014121), we get a palindrome (14593039541).
The spelling of 12141025420 in words is "twelve billion, one hundred forty-one million, twenty-five thousand, four hundred twenty".
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