Base | Representation |
---|---|
bin | 11011111111110010000010… |
… | …100101001100011100110011 |
3 | 121010222010212020101021222100 |
4 | 123333302002211030130303 |
5 | 112114331340141331011 |
6 | 1113513141321111443 |
7 | 34635604642500054 |
oct | 3377620245143463 |
9 | 533863766337870 |
10 | 123130313230131 |
11 | 362622aa8aa499 |
12 | 11987590928583 |
13 | 53921a59b206c |
14 | 2259778c8a72b |
15 | e37d7e481d56 |
hex | 6ffc8294c733 |
123130313230131 has 24 divisors (see below), whose sum is σ = 178615121729616. Its totient is φ = 81736729689600.
The previous prime is 123130313230109. The next prime is 123130313230151. The reversal of 123130313230131 is 131032313031321.
123130313230131 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 303 + 1 + 323 + 0 + 1 + 31 = 666.
It is not a de Polignac number, because 123130313230131 - 221 = 123130311132979 is a prime.
It is a super-2 number, since 2×1231303132301312 (a number of 29 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 123130313230095 and 123130313230104.
It is not an unprimeable number, because it can be changed into a prime (123130313230151) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28267930 + ... + 32331663.
It is an arithmetic number, because the mean of its divisors is an integer number (7442296738734).
Almost surely, 2123130313230131 is an apocalyptic number.
123130313230131 is a deficient number, since it is larger than the sum of its proper divisors (55484808499485).
123130313230131 is a wasteful number, since it uses less digits than its factorization.
123130313230131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60600563 (or 60600560 counting only the distinct ones).
The product of its (nonzero) digits is 2916, while the sum is 27.
Adding to 123130313230131 its reverse (131032313031321), we get a palindrome (254162626261452).
The spelling of 123130313230131 in words is "one hundred twenty-three trillion, one hundred thirty billion, three hundred thirteen million, two hundred thirty thousand, one hundred thirty-one".
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