Base | Representation |
---|---|
bin | 111101010101110111… |
… | …0001110010110111110 |
3 | 110121000111022101200210 |
4 | 1322223232032112332 |
5 | 4124240342242004 |
6 | 140303235533250 |
7 | 12342251603331 |
oct | 1725356162676 |
9 | 417014271623 |
10 | 131730040254 |
11 | 5095919aa6a |
12 | 2164415a226 |
13 | c56443b4a7 |
14 | 6539170618 |
15 | 365eb9d089 |
hex | 1eabb8e5be |
131730040254 has 16 divisors (see below), whose sum is σ = 263463637248. Its totient is φ = 43909420632.
The previous prime is 131730040243. The next prime is 131730040261. The reversal of 131730040254 is 452040037131.
It is a happy number.
It is a congruent number.
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, 797469 + ... + 948375.
It is an arithmetic number, because the mean of its divisors is an integer number (16466477328).
Almost surely, 2131730040254 is an apocalyptic number.
131730040254 is an abundant number, since it is smaller than the sum of its proper divisors (131733596994).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131730040254 is a wasteful number, since it uses less digits than its factorization.
131730040254 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 296399.
The product of its (nonzero) digits is 10080, while the sum is 30.
Adding to 131730040254 its reverse (452040037131), we get a palindrome (583770077385).
The spelling of 131730040254 in words is "one hundred thirty-one billion, seven hundred thirty million, forty thousand, two hundred fifty-four".
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