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225231103042212 = 223137313670253887
BaseRepresentation
bin110011001101100010110011…
…111000111010001010100100
31002112110212211211100121222010
4303031202303320322022210
5214010141244334322322
62115005423524234220
765304260461501131
oct6315426370721244
91075425754317863
10225231103042212
1165846a799a5003
122131736883b970
13988a2816c5717
143d8935a445588
151b08ba047c20c
hexccd8b3e3a2a4

225231103042212 has 24 divisors (see below), whose sum is σ = 525922007579136. Its totient is φ = 75022353326368.

The previous prime is 225231103042189. The next prime is 225231103042219. The reversal of 225231103042212 is 212240301132522.

It is a happy number.

225231103042212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×2252311030422124 (a number of 59 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 225231103042212.

It is not an unprimeable number, because it can be changed into a prime (225231103042219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6835110468 + ... + 6835143419.

It is an arithmetic number, because the mean of its divisors is an integer number (21913416982464).

Almost surely, 2225231103042212 is an apocalyptic number.

It is an amenable number.

225231103042212 is an abundant number, since it is smaller than the sum of its proper divisors (300690904536924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225231103042212 is a wasteful number, since it uses less digits than its factorization.

225231103042212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13670255267 (or 13670255265 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 225231103042212 its reverse (212240301132522), we get a palindrome (437471404174734).

The spelling of 225231103042212 in words is "two hundred twenty-five trillion, two hundred thirty-one billion, one hundred three million, forty-two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 1373 2746 4119 5492 8238 16476 13670253887 27340507774 41010761661 54681015548 82021523322 164043046644 18769258586851 37538517173702 56307775760553 75077034347404 112615551521106 225231103042212