Base | Representation |
---|---|
bin | 11101111010101011001100… |
… | …100111110010000101001001 |
3 | 122020212111021010001211112102 |
4 | 131322223030213302011021 |
5 | 114221213021022021343 |
6 | 1143500533221323145 |
7 | 36500004404264300 |
oct | 3572531447620511 |
9 | 566774233054472 |
10 | 131575461126473 |
11 | 38a18926705851 |
12 | 129102578664b5 |
13 | 5855688668c00 |
14 | 246c401859437 |
15 | 10328a66e53b8 |
hex | 77aacc9f2149 |
131575461126473 has 18 divisors (see below), whose sum is σ = 165736461187854. Its totient is φ = 104103661544064.
The previous prime is 131575461126437. The next prime is 131575461126559. The reversal of 131575461126473 is 374621164575131.
It can be written as a sum of positive squares in 3 ways, for example, as 8938264234249 + 122637196892224 = 2989693^2 + 11074168^2 .
It is not a de Polignac number, because 131575461126473 - 232 = 131571166159177 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131575461026473) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7944410336 + ... + 7944426897.
It is an arithmetic number, because the mean of its divisors is an integer number (9207581177103).
Almost surely, 2131575461126473 is an apocalyptic number.
131575461126473 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
131575461126473 is a deficient number, since it is larger than the sum of its proper divisors (34161000061381).
131575461126473 is a wasteful number, since it uses less digits than its factorization.
131575461126473 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15888837273 (or 15888837253 counting only the distinct ones).
The product of its digits is 12700800, while the sum is 56.
The spelling of 131575461126473 in words is "one hundred thirty-one trillion, five hundred seventy-five billion, four hundred sixty-one million, one hundred twenty-six thousand, four hundred seventy-three".
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