Base | Representation |
---|---|
bin | 11010001010000001… |
… | …100010001011000101 |
3 | 2200111022202021120020 |
4 | 122022001202023011 |
5 | 430004334233301 |
6 | 20522520525353 |
7 | 2012661325353 |
oct | 321201421305 |
9 | 80438667506 |
10 | 28085461701 |
11 | 10a02569080 |
12 | 5539920859 |
13 | 28578410bb |
14 | 15060787d3 |
15 | ae59e8436 |
hex | 68a0622c5 |
28085461701 has 32 divisors (see below), whose sum is σ = 41867957376. Its totient is φ = 16598400000.
The previous prime is 28085461681. The next prime is 28085461709. The reversal of 28085461701 is 10716458082.
It is not a de Polignac number, because 28085461701 - 213 = 28085453509 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28085461709) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4056895 + ... + 4063811.
It is an arithmetic number, because the mean of its divisors is an integer number (1308373668).
Almost surely, 228085461701 is an apocalyptic number.
It is an amenable number.
28085461701 is a deficient number, since it is larger than the sum of its proper divisors (13782495675).
28085461701 is a wasteful number, since it uses less digits than its factorization.
28085461701 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9973.
The product of its (nonzero) digits is 107520, while the sum is 42.
The spelling of 28085461701 in words is "twenty-eight billion, eighty-five million, four hundred sixty-one thousand, seven hundred one".
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