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231532420114145 = 573634335397573
BaseRepresentation
bin110100101001001111010111…
…101001111010011011100001
31010100210021122110010101122102
4310221033113221322123201
5220321411344022123040
62140232305254020145
766524444132040563
oct6451172751723341
91110707573111572
10231532420114145
1167856391131357
1221b7464b047655
139c2654b6b8807
14412632c25d333
151bb7a52537515
hexd293d7a7a6e1

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".

Divisors: 1 5 73 365 634335397573 3171676987865 46306484022829 231532420114145