Base | Representation |
---|---|
bin | 111101001101010001… |
… | …1100001001010111111 |
3 | 110120021102100111122001 |
4 | 1322122203201022333 |
5 | 4123143124133210 |
6 | 140214510403131 |
7 | 12332153513242 |
oct | 1723243411277 |
9 | 416242314561 |
10 | 131442021055 |
11 | 50820659974 |
12 | 215838004a7 |
13 | c519876a27 |
14 | 650cbd9259 |
15 | 364475903a |
hex | 1e9a8e12bf |
131442021055 has 16 divisors (see below), whose sum is σ = 157917955104. Its totient is φ = 105028685440.
The previous prime is 131442021023. The next prime is 131442021077. The reversal of 131442021055 is 550120244131.
It is not a de Polignac number, because 131442021055 - 25 = 131442021023 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18118809 + ... + 18126061.
It is an arithmetic number, because the mean of its divisors is an integer number (9869872194).
Almost surely, 2131442021055 is an apocalyptic number.
131442021055 is a deficient number, since it is larger than the sum of its proper divisors (26475934049).
131442021055 is a wasteful number, since it uses less digits than its factorization.
131442021055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11066.
The product of its (nonzero) digits is 4800, while the sum is 28.
Adding to 131442021055 its reverse (550120244131), we get a palindrome (681562265186).
The spelling of 131442021055 in words is "one hundred thirty-one billion, four hundred forty-two million, twenty-one thousand, fifty-five".
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