Base | Representation |
---|---|
bin | 11101110101011000111010… |
… | …011010110111001100000010 |
3 | 122012120202200222112020112021 |
4 | 131311120322122313030002 |
5 | 114144240122114404442 |
6 | 1143022022231352054 |
7 | 36431525255254060 |
oct | 3565307232671402 |
9 | 565522628466467 |
10 | 131212231013122 |
11 | 38898881790526 |
12 | 1287198682262a |
13 | 582a34cb29b5c |
14 | 24589c4c7b030 |
15 | 10281e7e37e67 |
hex | 77563a6b7302 |
131212231013122 has 16 divisors (see below), whose sum is σ = 224937469555200. Its totient is φ = 56233259193888.
The previous prime is 131212231013093. The next prime is 131212231013207. The reversal of 131212231013122 is 221310132212131.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44701603 + ... + 47546374.
It is an arithmetic number, because the mean of its divisors is an integer number (14058591847200).
Almost surely, 2131212231013122 is an apocalyptic number.
131212231013122 is a deficient number, since it is larger than the sum of its proper divisors (93725238542078).
131212231013122 is a wasteful number, since it uses less digits than its factorization.
131212231013122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 92349585.
The product of its (nonzero) digits is 864, while the sum is 25.
Adding to 131212231013122 its reverse (221310132212131), we get a palindrome (352522363225253).
The spelling of 131212231013122 in words is "one hundred thirty-one trillion, two hundred twelve billion, two hundred thirty-one million, thirteen thousand, one hundred twenty-two".
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