Base | Representation |
---|---|
bin | 11101111000100111011111… |
… | …010001001001101001101010 |
3 | 122020100222020020100021200110 |
4 | 131320213133101021221222 |
5 | 114211403403222240132 |
6 | 1143311544152515150 |
7 | 36453540016006665 |
oct | 3570473721115152 |
9 | 566328206307613 |
10 | 131434040040042 |
11 | 38973955140413 |
12 | 128a896a0abab6 |
13 | 584523b55468c |
14 | 24656275ca6dc |
15 | 102dd7ad661cc |
hex | 7789df449a6a |
131434040040042 has 8 divisors (see below), whose sum is σ = 262868080080096. Its totient is φ = 43811346680012.
The previous prime is 131434040040011. The next prime is 131434040040049. The reversal of 131434040040042 is 240040040434131.
It is a sphenic number, since it is the product of 3 distinct primes.
131434040040042 is an admirable number.
It is a junction number, because it is equal to n+sod(n) for n = 131434040039991 and 131434040040009.
It is not an unprimeable number, because it can be changed into a prime (131434040040049) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10952836669998 + ... + 10952836670009.
It is an arithmetic number, because the mean of its divisors is an integer number (32858510010012).
Almost surely, 2131434040040042 is an apocalyptic number.
131434040040042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131434040040042 is a wasteful number, since it uses less digits than its factorization.
131434040040042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21905673340012.
The product of its (nonzero) digits is 18432, while the sum is 30.
Adding to 131434040040042 its reverse (240040040434131), we get a palindrome (371474080474173).
The spelling of 131434040040042 in words is "one hundred thirty-one trillion, four hundred thirty-four billion, forty million, forty thousand, forty-two".
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