Base | Representation |
---|---|
bin | 11010000101000110… |
… | …000000111000110101 |
3 | 2200021120010002110002 |
4 | 122011012000320311 |
5 | 424322201000010 |
6 | 20510404041045 |
7 | 2010635306366 |
oct | 320506007065 |
9 | 80246102402 |
10 | 28002750005 |
11 | 1096a9055aa |
12 | 5516093185 |
13 | 2843671679 |
14 | 14d90a7b6d |
15 | add60b1a5 |
hex | 685180e35 |
28002750005 has 16 divisors (see below), whose sum is σ = 33977806464. Its totient is φ = 22153884480.
The previous prime is 28002749953. The next prime is 28002750007. The reversal of 28002750005 is 50005720082.
It is not a de Polignac number, because 28002750005 - 212 = 28002745909 is a prime.
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 28002750005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28002750007) 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, 81104 + ... + 250166.
It is an arithmetic number, because the mean of its divisors is an integer number (2123612904).
Almost surely, 228002750005 is an apocalyptic number.
It is an amenable number.
28002750005 is a deficient number, since it is larger than the sum of its proper divisors (5975056459).
28002750005 is a wasteful number, since it uses less digits than its factorization.
28002750005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 169436.
The product of its (nonzero) digits is 5600, while the sum is 29.
The spelling of 28002750005 in words is "twenty-eight billion, two million, seven hundred fifty thousand, five".
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