Base | Representation |
---|---|
bin | 1011010011000001000100… |
… | …0001110010011001111111 |
3 | 1121222110121220212200202120 |
4 | 2310300101001302121333 |
5 | 3112002341230220221 |
6 | 42230140345454023 |
7 | 2421261110204166 |
oct | 264602101623177 |
9 | 47873556780676 |
10 | 12421331101311 |
11 | 3a59947646350 |
12 | 14874067a1313 |
13 | 6c143240cb62 |
14 | 30d2a4b623dd |
15 | 16819236a5c6 |
hex | b4c1107267f |
12421331101311 has 16 divisors (see below), whose sum is σ = 18067529572608. Its totient is φ = 7528021588800.
The previous prime is 12421331101301. The next prime is 12421331101327. The reversal of 12421331101311 is 11310113312421.
It is not a de Polignac number, because 12421331101311 - 26 = 12421331101247 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12421331101301) 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, 3127326 + ... + 5884116.
It is an arithmetic number, because the mean of its divisors is an integer number (1129220598288).
Almost surely, 212421331101311 is an apocalyptic number.
12421331101311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
12421331101311 is a deficient number, since it is larger than the sum of its proper divisors (5646198471297).
12421331101311 is a wasteful number, since it uses less digits than its factorization.
12421331101311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2893342.
The product of its (nonzero) digits is 432, while the sum is 24.
Adding to 12421331101311 its reverse (11310113312421), we get a palindrome (23731444413732).
The spelling of 12421331101311 in words is "twelve trillion, four hundred twenty-one billion, three hundred thirty-one million, one hundred one thousand, three hundred eleven".
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