Base | Representation |
---|---|
bin | 110100100101000000111011… |
… | …001111111000000001101110 |
3 | 1010022202112002212222110021112 |
4 | 310211000323033320001232 |
5 | 220302132141001442110 |
6 | 2135451042403232022 |
7 | 66464454103220630 |
oct | 6445007317700156 |
9 | 1108675085873245 |
10 | 231242033234030 |
11 | 67754217325335 |
12 | 21b28309078612 |
13 | 9c0505137a730 |
14 | 4116261b32a50 |
15 | 1bb0208cb5405 |
hex | d2503b3f806e |
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".
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