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231532422204425 = 5283111581890219
BaseRepresentation
bin110100101001001111010111…
…110001111000110000001001
31010100210021122121001120222012
4310221033113301320300021
5220321411400041020200
62140232305410505305
766524444155564646
oct6451172761706011
91110707577046865
10231532422204425
1167856392329861
1221b7464b895235
139c2654bc6b074
14412632c644dcd
151bb7a527eba35
hexd293d7c78c09

231532422204425 has 12 divisors (see below), whose sum is σ = 290559242132880. Its totient is φ = 182994299957520.

The previous prime is 231532422204407. The next prime is 231532422204437. The reversal of 231532422204425 is 524402224235132.

231532422204425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 231532422204425 - 234 = 231515242335241 is a prime.

It is a super-2 number, since 2×2315324222044252 (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55790943035 + ... + 55790947184.

It is an arithmetic number, because the mean of its divisors is an integer number (24213270177740).

Almost surely, 2231532422204425 is an apocalyptic number.

231532422204425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

231532422204425 is a deficient number, since it is larger than the sum of its proper divisors (59026819928455).

231532422204425 is a wasteful number, since it uses less digits than its factorization.

231532422204425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111581890312 (or 111581890307 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 41.

Adding to 231532422204425 its reverse (524402224235132), we get a palindrome (755934646439557).

The spelling of 231532422204425 in words is "two hundred thirty-one trillion, five hundred thirty-two billion, four hundred twenty-two million, two hundred four thousand, four hundred twenty-five".

Divisors: 1 5 25 83 415 2075 111581890219 557909451095 2789547255475 9261296888177 46306484440885 231532422204425