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231242033234030 = 25713254112124433
BaseRepresentation
bin110100100101000000111011…
…001111111000000001101110
31010022202112002212222110021112
4310211000323033320001232
5220302132141001442110
62135451042403232022
766464454103220630
oct6445007317700156
91108675085873245
10231242033234030
1167754217325335
1221b28309078612
139c0505137a730
144116261b32a50
151bb0208cb5405
hexd2503b3f806e

231242033234030 has 32 divisors (see below), whose sum is σ = 512290042858944. Its totient is φ = 73184291836416.

The previous prime is 231242033234027. The next prime is 231242033234039. The reversal of 231242033234030 is 30432330242132.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231242033234039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127056061307 + ... + 127056063126.

It is an arithmetic number, because the mean of its divisors is an integer number (16009063839342).

Almost surely, 2231242033234030 is an apocalyptic number.

231242033234030 is an abundant number, since it is smaller than the sum of its proper divisors (281048009624914).

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

231242033234030 is a wasteful number, since it uses less digits than its factorization.

231242033234030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254112124460.

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 231242033234030 its reverse (30432330242132), we get a palindrome (261674363476162).

The spelling of 231242033234030 in words is "two hundred thirty-one trillion, two hundred forty-two billion, thirty-three million, two hundred thirty-four thousand, thirty".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 910 254112124433 508224248866 1270560622165 1778784871031 2541121244330 3303457617629 3557569742062 6606915235258 8893924355155 16517288088145 17787848710310 23124203323403 33034576176290 46248406646806 115621016617015 231242033234030