Base | Representation |
---|---|
bin | 110100101001001111010111… |
… | …101001111010011011100001 |
3 | 1010100210021122110010101122102 |
4 | 310221033113221322123201 |
5 | 220321411344022123040 |
6 | 2140232305254020145 |
7 | 66524444132040563 |
oct | 6451172751723341 |
9 | 1110707573111572 |
10 | 231532420114145 |
11 | 67856391131357 |
12 | 21b7464b047655 |
13 | 9c2654b6b8807 |
14 | 412632c25d333 |
15 | 1bb7a52537515 |
hex | d293d7a7a6e1 |
231532420114145 has 8 divisors (see below), whose sum is σ = 281644916522856. Its totient is φ = 182688594500736.
The previous prime is 231532420114129. The next prime is 231532420114159. The reversal of 231532420114145 is 541411024235132.
It can be written as a sum of positive squares in 4 ways, for example, as 94024361851456 + 137508058262689 = 9696616^2 + 11726383^2 .
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 231532420114145 - 24 = 231532420114129 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 231532420114099 and 231532420114108.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317167698422 + ... + 317167699151.
It is an arithmetic number, because the mean of its divisors is an integer number (35205614565357).
Almost surely, 2231532420114145 is an apocalyptic number.
It is an amenable number.
231532420114145 is a deficient number, since it is larger than the sum of its proper divisors (50112496408711).
231532420114145 is an equidigital number, since it uses as much as digits as its factorization.
231532420114145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 634335397651.
The product of its (nonzero) digits is 115200, while the sum is 38.
Adding to 231532420114145 its reverse (541411024235132), we get a palindrome (772943444349277).
The spelling of 231532420114145 in words is "two hundred thirty-one trillion, five hundred thirty-two billion, four hundred twenty million, one hundred fourteen thousand, one hundred forty-five".
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