Base | Representation |
---|---|
bin | 1100110111001100010101… |
… | …11010001111101110011111 |
3 | 10201010222201200121220222120 |
4 | 12123212022322033232133 |
5 | 12201404021140344420 |
6 | 140053450212314023 |
7 | 5646333663400110 |
oct | 633461272175637 |
9 | 121128650556876 |
10 | 28284690168735 |
11 | 9015519246760 |
12 | 3209919612913 |
13 | 12a2308c29b30 |
14 | 6dadb4606207 |
15 | 340b3a393d40 |
hex | 19b98ae8fb9f |
28284690168735 has 64 divisors (see below), whose sum is σ = 60762635136000. Its totient is φ = 10850470548480.
The previous prime is 28284690168667. The next prime is 28284690168739. The reversal of 28284690168735 is 53786109648282.
It is not a de Polignac number, because 28284690168735 - 29 = 28284690168223 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 28284690168735.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28284690168739) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 941866110 + ... + 941896139.
It is an arithmetic number, because the mean of its divisors is an integer number (949416174000).
It is a 1-persistent number, because it is pandigital, but 2⋅28284690168735 = 56569380337470 is not.
Almost surely, 228284690168735 is an apocalyptic number.
28284690168735 is an abundant number, since it is smaller than the sum of its proper divisors (32477944967265).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28284690168735 is a wasteful number, since it uses less digits than its factorization.
28284690168735 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1883762288.
The product of its (nonzero) digits is 278691840, while the sum is 69.
The spelling of 28284690168735 in words is "twenty-eight trillion, two hundred eighty-four billion, six hundred ninety million, one hundred sixty-eight thousand, seven hundred thirty-five".
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