Base | Representation |
---|---|
bin | 1101000100010100100001… |
… | …11000011101000101010101 |
3 | 10202202010000122201111122120 |
4 | 12202022100320131011111 |
5 | 12231301320023203113 |
6 | 141041005441450153 |
7 | 6024042653161032 |
oct | 642122070350525 |
9 | 122663018644576 |
10 | 28735761928533 |
11 | 917984a518100 |
12 | 3281224640959 |
13 | 1305a0337b88a |
14 | 714b655a6389 |
15 | 34c73a78aa23 |
hex | 1a2290e1d155 |
28735761928533 has 12 divisors (see below), whose sum is σ = 42114119410944. Its totient is φ = 17415613289800.
The previous prime is 28735761928481. The next prime is 28735761928553. The reversal of 28735761928533 is 33582916753782.
It is not a de Polignac number, because 28735761928533 - 212 = 28735761924437 is a prime.
It is a super-2 number, since 2×287357619285332 (a number of 28 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28735761928553) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39580938933 + ... + 39580939658.
It is an arithmetic number, because the mean of its divisors is an integer number (3509509950912).
Almost surely, 228735761928533 is an apocalyptic number.
It is an amenable number.
28735761928533 is a deficient number, since it is larger than the sum of its proper divisors (13378357482411).
28735761928533 is a wasteful number, since it uses less digits than its factorization.
28735761928533 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 79161878616 (or 79161878605 counting only the distinct ones).
The product of its digits is 457228800, while the sum is 69.
The spelling of 28735761928533 in words is "twenty-eight trillion, seven hundred thirty-five billion, seven hundred sixty-one million, nine hundred twenty-eight thousand, five hundred thirty-three".
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