Base | Representation |
---|---|
bin | 1101001001111111111101… |
… | …01100011100110111001111 |
3 | 10210102202122121122221211010 |
4 | 12210333332230130313033 |
5 | 12243000414204211413 |
6 | 141310354540100303 |
7 | 6044121056562621 |
oct | 644777654346717 |
9 | 123382577587733 |
10 | 28930877803983 |
11 | 9244575326231 |
12 | 32b2bb8534693 |
13 | 131b22985090c |
14 | 720394b4ac11 |
15 | 35285a046dc3 |
hex | 1a4ffeb1cdcf |
28930877803983 has 16 divisors (see below), whose sum is σ = 40610996841600. Its totient is φ = 18269318121120.
The previous prime is 28930877803967. The next prime is 28930877804011. The reversal of 28930877803983 is 38930877803982.
It is not a de Polignac number, because 28930877803983 - 24 = 28930877803967 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28930877803943) 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, 38727168 + ... + 39467141.
It is an arithmetic number, because the mean of its divisors is an integer number (2538187302600).
Almost surely, 228930877803983 is an apocalyptic number.
28930877803983 is a deficient number, since it is larger than the sum of its proper divisors (11680119037617).
28930877803983 is a wasteful number, since it uses less digits than its factorization.
28930877803983 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 78200822.
The product of its (nonzero) digits is 877879296, while the sum is 75.
Subtracting 28930877803983 from its reverse (38930877803982), we obtain a palindrome (9999999999999).
The spelling of 28930877803983 in words is "twenty-eight trillion, nine hundred thirty billion, eight hundred seventy-seven million, eight hundred three thousand, nine hundred eighty-three".
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