Base | Representation |
---|---|
bin | 101000100011101110010… |
… | …001110101100101001011 |
3 | 100212110002022222002222012 |
4 | 220203232101311211023 |
5 | 331131023413224011 |
6 | 5532220503050135 |
7 | 405235561013231 |
oct | 50435621654513 |
9 | 10773068862865 |
10 | 2787136461131 |
11 | 985021965420 |
12 | 3901ba44094b |
13 | 172a974aa689 |
14 | 98c8064c951 |
15 | 4c776d25a8b |
hex | 288ee47594b |
2787136461131 has 16 divisors (see below), whose sum is σ = 3122811740160. Its totient is φ = 2465183126880.
The previous prime is 2787136461127. The next prime is 2787136461169. The reversal of 2787136461131 is 1311646317872.
2787136461131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 2787136461131 - 22 = 2787136461127 is a prime.
It is a super-2 number, since 2×27871364611312 (a number of 26 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2787136461131.
It is not an unprimeable number, because it can be changed into a prime (2787136461101) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11399990 + ... + 11641908.
It is an arithmetic number, because the mean of its divisors is an integer number (195175733760).
Almost surely, 22787136461131 is an apocalyptic number.
2787136461131 is a deficient number, since it is larger than the sum of its proper divisors (335675279029).
2787136461131 is a wasteful number, since it uses less digits than its factorization.
2787136461131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 270274.
The product of its digits is 1016064, while the sum is 50.
The spelling of 2787136461131 in words is "two trillion, seven hundred eighty-seven billion, one hundred thirty-six million, four hundred sixty-one thousand, one hundred thirty-one".
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