Base | Representation |
---|---|
bin | 11110101111111010011… |
… | …010001110101011110111 |
3 | 21111000002200221222121110 |
4 | 132233322122032223313 |
5 | 234104441202402411 |
6 | 4254413532450103 |
7 | 305442566456100 |
oct | 36577232165367 |
9 | 7430080858543 |
10 | 2113030122231 |
11 | 745149465646 |
12 | 2a1629619933 |
13 | 1243477612c2 |
14 | 743b227b3a7 |
15 | 39e711192a6 |
hex | 1ebfa68eaf7 |
2113030122231 has 48 divisors (see below), whose sum is σ = 3471046564320. Its totient is φ = 1136122122240.
The previous prime is 2113030122211. The next prime is 2113030122233. The reversal of 2113030122231 is 1322210303112.
It is not a de Polignac number, because 2113030122231 - 217 = 2113029991159 is a prime.
It is a super-3 number, since 3×21130301222313 (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 2113030122198 and 2113030122207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2113030122233) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9609901 + ... + 9827321.
It is an arithmetic number, because the mean of its divisors is an integer number (72313470090).
Almost surely, 22113030122231 is an apocalyptic number.
2113030122231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
2113030122231 is a deficient number, since it is larger than the sum of its proper divisors (1358016442089).
2113030122231 is a wasteful number, since it uses less digits than its factorization.
2113030122231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 221344 (or 221337 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 2113030122231 its reverse (1322210303112), we get a palindrome (3435240425343).
The spelling of 2113030122231 in words is "two trillion, one hundred thirteen billion, thirty million, one hundred twenty-two thousand, two hundred thirty-one".
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