Base | Representation |
---|---|
bin | 1101000000011010010111… |
… | …10001111010100010011101 |
3 | 10202021021100211022112011221 |
4 | 12200031023301322202131 |
5 | 12222101241400200333 |
6 | 140455154555213341 |
7 | 6011246543545441 |
oct | 640151361724235 |
9 | 122237324275157 |
10 | 28601458600093 |
11 | 91278a0817695 |
12 | 325b1a2747251 |
13 | 12c614ba90872 |
14 | 70c464788821 |
15 | 348ec9c36d2d |
hex | 1a034bc7a89d |
28601458600093 has 4 divisors (see below), whose sum is σ = 28993259402908. Its totient is φ = 28209657797280.
The previous prime is 28601458600081. The next prime is 28601458600097. The reversal of 28601458600093 is 39000685410682.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 19002999533049 + 9598459067044 = 4359243^2 + 3098138^2 .
It is a cyclic number.
It is not a de Polignac number, because 28601458600093 - 217 = 28601458469021 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 28601458600093.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28601458600097) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195900401298 + ... + 195900401443.
It is an arithmetic number, because the mean of its divisors is an integer number (7248314850727).
Almost surely, 228601458600093 is an apocalyptic number.
It is an amenable number.
28601458600093 is a deficient number, since it is larger than the sum of its proper divisors (391800802815).
28601458600093 is an equidigital number, since it uses as much as digits as its factorization.
28601458600093 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 391800802814.
The product of its (nonzero) digits is 2488320, while the sum is 52.
The spelling of 28601458600093 in words is "twenty-eight trillion, six hundred one billion, four hundred fifty-eight million, six hundred thousand, ninety-three".
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