Base | Representation |
---|---|
bin | 111000000101100000… |
… | …1011111000101100101 |
3 | 102111212221200022201222 |
4 | 1300023001133011211 |
5 | 3433132132220031 |
6 | 131155313230125 |
7 | 11462500206341 |
oct | 1601301370545 |
9 | 374787608658 |
10 | 120444023141 |
11 | 470975692a2 |
12 | 1b414562345 |
13 | b4861a0760 |
14 | 5b882ca621 |
15 | 31ede62e7b |
hex | 1c0b05f165 |
120444023141 has 16 divisors (see below), whose sum is σ = 132982477488. Its totient is φ = 108377702400.
The previous prime is 120444023137. The next prime is 120444023149. The reversal of 120444023141 is 141320444021.
It can be written as a sum of positive squares in 8 ways, for example, as 21942200641 + 98501822500 = 148129^2 + 313850^2 .
It is a cyclic number.
It is not a de Polignac number, because 120444023141 - 22 = 120444023137 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 120444023141.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120444023149) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 555821 + ... + 741501.
It is an arithmetic number, because the mean of its divisors is an integer number (8311404843).
Almost surely, 2120444023141 is an apocalyptic number.
It is an amenable number.
120444023141 is a deficient number, since it is larger than the sum of its proper divisors (12538454347).
120444023141 is a wasteful number, since it uses less digits than its factorization.
120444023141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 186952.
The product of its (nonzero) digits is 3072, while the sum is 26.
Adding to 120444023141 its reverse (141320444021), we get a palindrome (261764467162).
The spelling of 120444023141 in words is "one hundred twenty billion, four hundred forty-four million, twenty-three thousand, one hundred forty-one".
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