Base | Representation |
---|---|
bin | 11101110010111100010110… |
… | …010010001001001111010010 |
3 | 122011222200210002220221011012 |
4 | 131302330112102021033102 |
5 | 114134011324440222232 |
6 | 1142412501011050522 |
7 | 36413424324031064 |
oct | 3562742622111722 |
9 | 564880702827135 |
10 | 131044121023442 |
11 | 38833555006060 |
12 | 1284528aba0a42 |
13 | 581753b619693 |
14 | 24507d822b734 |
15 | 1023b594c59b2 |
hex | 772f164893d2 |
131044121023442 has 16 divisors (see below), whose sum is σ = 214449527312064. Its totient is φ = 59561705970000.
The previous prime is 131044121023441. The next prime is 131044121023493. The reversal of 131044121023442 is 244320121440131.
It is a junction number, because it is equal to n+sod(n) for n = 131044121023399 and 131044121023408.
It is not an unprimeable number, because it can be changed into a prime (131044121023441) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189826934 + ... + 190516017.
It is an arithmetic number, because the mean of its divisors is an integer number (13403095457004).
Almost surely, 2131044121023442 is an apocalyptic number.
131044121023442 is a deficient number, since it is larger than the sum of its proper divisors (83405406288622).
131044121023442 is a wasteful number, since it uses less digits than its factorization.
131044121023442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 380358625.
The product of its (nonzero) digits is 18432, while the sum is 32.
Adding to 131044121023442 its reverse (244320121440131), we get a palindrome (375364242463573).
The spelling of 131044121023442 in words is "one hundred thirty-one trillion, forty-four billion, one hundred twenty-one million, twenty-three thousand, four hundred forty-two".
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