Base | Representation |
---|---|
bin | 10110100100110101… |
… | …01010110100101101 |
3 | 1011021200011221221212 |
4 | 23102122222310231 |
5 | 144310224003401 |
6 | 5322400404205 |
7 | 606230333225 |
oct | 132232526455 |
9 | 34250157855 |
10 | 12120141101 |
11 | 515a55a442 |
12 | 2423016665 |
13 | 11b200aa33 |
14 | 82d973085 |
15 | 4ae0a2dbb |
hex | 2d26aad2d |
12120141101 has 4 divisors (see below), whose sum is σ = 12121473852. Its totient is φ = 12118808352.
The previous prime is 12120141079. The next prime is 12120141113. The reversal of 12120141101 is 10114102121.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 660438601 + 11459702500 = 25699^2 + 107050^2 .
It is a cyclic number.
It is not a de Polignac number, because 12120141101 - 26 = 12120141037 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 (12120141161) 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, 652640 + ... + 670953.
It is an arithmetic number, because the mean of its divisors is an integer number (3030368463).
Almost surely, 212120141101 is an apocalyptic number.
It is an amenable number.
12120141101 is a deficient number, since it is larger than the sum of its proper divisors (1332751).
12120141101 is an equidigital number, since it uses as much as digits as its factorization.
12120141101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1332750.
The product of its (nonzero) digits is 16, while the sum is 14.
Adding to 12120141101 its reverse (10114102121), we get a palindrome (22234243222).
The spelling of 12120141101 in words is "twelve billion, one hundred twenty million, one hundred forty-one thousand, one hundred one".
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