Base | Representation |
---|---|
bin | 10011000101001010001… |
… | …110011000100110000111 |
3 | 11122100110111112012120200 |
4 | 103011022032120212013 |
5 | 132440324314410043 |
6 | 2442210043301543 |
7 | 163506004512105 |
oct | 23051216304607 |
9 | 4570414465520 |
10 | 1311210310023 |
11 | 466099045019 |
12 | 19215581a8b3 |
13 | 96853778a93 |
14 | 4766a362c75 |
15 | 241931a87d3 |
hex | 1314a398987 |
1311210310023 has 12 divisors (see below), whose sum is σ = 1895190024000. Its totient is φ = 873577325376.
The previous prime is 1311210310013. The next prime is 1311210310129. The reversal of 1311210310023 is 3200130121131.
1311210310023 is a `hidden beast` number, since 1 + 311 + 21 + 0 + 310 + 0 + 23 = 666.
It is not a de Polignac number, because 1311210310023 - 28 = 1311210309767 is a prime.
It is a super-2 number, since 2×13112103100232 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1311210309978 and 1311210310005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1311210310013) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46892023 + ... + 46919976.
It is an arithmetic number, because the mean of its divisors is an integer number (157932502000).
Almost surely, 21311210310023 is an apocalyptic number.
1311210310023 is a deficient number, since it is larger than the sum of its proper divisors (583979713977).
1311210310023 is a wasteful number, since it uses less digits than its factorization.
1311210310023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 93813558 (or 93813555 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 1311210310023 its reverse (3200130121131), we get a palindrome (4511340431154).
The spelling of 1311210310023 in words is "one trillion, three hundred eleven billion, two hundred ten million, three hundred ten thousand, twenty-three".
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