Base | Representation |
---|---|
bin | 1101011100100101000… |
… | …1101110010000101001 |
3 | 211002021111022122220002 |
4 | 3113021101232100221 |
5 | 12241102043224113 |
6 | 254042524512345 |
7 | 22455434506061 |
oct | 3271121562051 |
9 | 732244278802 |
10 | 231010133033 |
11 | 89a7521a119 |
12 | 389309ab6b5 |
13 | 18a26a5b714 |
14 | b2767543a1 |
15 | 6020ad1c58 |
hex | 35c946e429 |
231010133033 has 16 divisors (see below), whose sum is σ = 238205594640. Its totient is φ = 223866187776.
The previous prime is 231010133023. The next prime is 231010133051. The reversal of 231010133033 is 330331010132.
It can be written as a sum of positive squares in 8 ways, for example, as 1158925849 + 229851207184 = 34043^2 + 479428^2 .
It is a cyclic number.
It is not a de Polignac number, because 231010133033 - 222 = 231005938729 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 231010132996 and 231010133014.
It is not an unprimeable number, because it can be changed into a prime (231010133023) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12621953 + ... + 12640241.
It is an arithmetic number, because the mean of its divisors is an integer number (14887849665).
Almost surely, 2231010133033 is an apocalyptic number.
It is an amenable number.
231010133033 is a deficient number, since it is larger than the sum of its proper divisors (7195461607).
231010133033 is a wasteful number, since it uses less digits than its factorization.
231010133033 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19676.
The product of its (nonzero) digits is 486, while the sum is 20.
Adding to 231010133033 its reverse (330331010132), we get a palindrome (561341143165).
The spelling of 231010133033 in words is "two hundred thirty-one billion, ten million, one hundred thirty-three thousand, thirty-three".
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