Base | Representation |
---|---|
bin | 100000011101110011001… |
… | …101110010011101101001 |
3 | 21220021122200122200101102 |
4 | 200131303031302131221 |
5 | 243023112340133113 |
6 | 4424530015131145 |
7 | 320120531532440 |
oct | 40356315623551 |
9 | 7807580580342 |
10 | 2231021021033 |
11 | 790197227252 |
12 | 300478513ab5 |
13 | 1324cc63589c |
14 | 79da6839d57 |
15 | 3d079a10758 |
hex | 20773372769 |
2231021021033 has 16 divisors (see below), whose sum is σ = 2705359150080. Its totient is φ = 1796057788416.
The previous prime is 2231021021017. The next prime is 2231021021069. The reversal of 2231021021033 is 3301201201322.
It is a cyclic number.
It is not a de Polignac number, because 2231021021033 - 24 = 2231021021017 is a prime.
It is a super-3 number, since 3×22310210210333 (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2231021020996 and 2231021021014.
It is not an unprimeable number, because it can be changed into a prime (2231021021083) 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, 19513016 + ... + 19627017.
It is an arithmetic number, because the mean of its divisors is an integer number (169084946880).
Almost surely, 22231021021033 is an apocalyptic number.
It is an amenable number.
2231021021033 is a deficient number, since it is larger than the sum of its proper divisors (474338129047).
2231021021033 is a wasteful number, since it uses less digits than its factorization.
2231021021033 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39140536.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 2231021021033 its reverse (3301201201322), we get a palindrome (5532222222355).
The spelling of 2231021021033 in words is "two trillion, two hundred thirty-one billion, twenty-one million, twenty-one thousand, thirty-three".
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