Base | Representation |
---|---|
bin | 111101001010010001… |
… | …0010010110000111101 |
3 | 110120000101022222000020 |
4 | 1322110202102300331 |
5 | 4122441301132410 |
6 | 140200502122353 |
7 | 12326516251032 |
oct | 1722442226075 |
9 | 416011288006 |
10 | 131341036605 |
11 | 50779655849 |
12 | 21555a203b9 |
13 | c50197a10c |
14 | 64dd62d389 |
15 | 363a95ca70 |
hex | 1e94892c3d |
131341036605 has 32 divisors (see below), whose sum is σ = 213153327360. Its totient is φ = 69046440960.
The previous prime is 131341036601. The next prime is 131341036609. The reversal of 131341036605 is 506630143131.
It is an interprime number because it is at equal distance from previous prime (131341036601) and next prime (131341036609).
It is not a de Polignac number, because 131341036605 - 22 = 131341036601 is a prime.
It is a super-3 number, since 3×1313410366053 (a number of 34 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131341036601) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5924181 + ... + 5946309.
It is an arithmetic number, because the mean of its divisors is an integer number (6661041480).
Almost surely, 2131341036605 is an apocalyptic number.
131341036605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
131341036605 is a deficient number, since it is larger than the sum of its proper divisors (81812290755).
131341036605 is a wasteful number, since it uses less digits than its factorization.
131341036605 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27781.
The product of its (nonzero) digits is 19440, while the sum is 33.
Adding to 131341036605 its reverse (506630143131), we get a palindrome (637971179736).
The spelling of 131341036605 in words is "one hundred thirty-one billion, three hundred forty-one million, thirty-six thousand, six hundred five".
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