Search a number
-
+
28500040041 = 3112894671889
BaseRepresentation
bin11010100010101111…
…000001100101101001
32201120012212001010120
4122202233001211221
5431332002240131
621032010433453
72026154225514
oct324257014551
981505761116
1028500040041
11110a5590a00
125634732889
1328c26b8125
141545155d7b
15b1c0db496
hex6a2bc1969

28500040041 has 48 divisors (see below), whose sum is σ = 42350817600. Its totient is φ = 17033082880.

The previous prime is 28500039991. The next prime is 28500040043. The reversal of 28500040041 is 14004000582.

It is not a de Polignac number, because 28500040041 - 210 = 28500039017 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28500039993 and 28500040020.

It is not an unprimeable number, because it can be changed into a prime (28500040043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15086425 + ... + 15088313.

It is an arithmetic number, because the mean of its divisors is an integer number (882308700).

Almost surely, 228500040041 is an apocalyptic number.

It is an amenable number.

28500040041 is a deficient number, since it is larger than the sum of its proper divisors (13850777559).

28500040041 is a wasteful number, since it uses less digits than its factorization.

28500040041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2470 (or 2459 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The spelling of 28500040041 in words is "twenty-eight billion, five hundred million, forty thousand, forty-one".

Divisors: 1 3 11 33 89 121 267 363 467 979 1401 1889 2937 5137 5667 10769 15411 20779 32307 41563 56507 62337 124689 168121 169521 228569 457193 504363 685707 882163 1371579 1849331 2646489 5029123 5547993 9703793 15087369 20342641 29111379 61027923 78512507 106741723 235537521 320225169 863637577 2590912731 9500013347 28500040041