Base | Representation |
---|---|
bin | 1101000110010000011111… |
… | …11101011011100011100111 |
3 | 10202222110211002120001110101 |
4 | 12203020033331123203213 |
5 | 12233344122010330441 |
6 | 141131334043004531 |
7 | 6031620205233262 |
oct | 643101775334347 |
9 | 122873732501411 |
10 | 28802318448871 |
11 | 91a4aa3986a10 |
12 | 32920ba209747 |
13 | 130c07c288aa6 |
14 | 71807ab33cd9 |
15 | 34e333906231 |
hex | 1a320ff5b8e7 |
28802318448871 has 16 divisors (see below), whose sum is σ = 33200191031040. Its totient is φ = 24711505729920.
The previous prime is 28802318448863. The next prime is 28802318448889. The reversal of 28802318448871 is 17884481320882.
It is a cyclic number.
It is not a de Polignac number, because 28802318448871 - 23 = 28802318448863 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28802318448671) 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, 261941490 + ... + 262051423.
It is an arithmetic number, because the mean of its divisors is an integer number (2075011939440).
Almost surely, 228802318448871 is an apocalyptic number.
28802318448871 is a deficient number, since it is larger than the sum of its proper divisors (4397872582169).
28802318448871 is a wasteful number, since it uses less digits than its factorization.
28802318448871 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 523993206.
The product of its (nonzero) digits is 44040192, while the sum is 64.
The spelling of 28802318448871 in words is "twenty-eight trillion, eight hundred two billion, three hundred eighteen million, four hundred forty-eight thousand, eight hundred seventy-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •