Base | Representation |
---|---|
bin | 11010001101000001… |
… | …011000011011000111 |
3 | 2200121211101100211022 |
4 | 122031001120123013 |
5 | 430110223102130 |
6 | 20531514501355 |
7 | 2014141646420 |
oct | 321501303307 |
9 | 80554340738 |
10 | 28135753415 |
11 | 10a28998a80 |
12 | 555273485b |
13 | 286509c203 |
14 | 150ca0a647 |
15 | aea12e7e5 |
hex | 68d0586c7 |
28135753415 has 32 divisors (see below), whose sum is σ = 42152970240. Its totient is φ = 17514604800.
The previous prime is 28135753411. The next prime is 28135753439. The reversal of 28135753415 is 51435753182.
It is not a de Polignac number, because 28135753415 - 22 = 28135753411 is a prime.
It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28135753411) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 225995 + ... + 327635.
It is an arithmetic number, because the mean of its divisors is an integer number (1317280320).
Almost surely, 228135753415 is an apocalyptic number.
28135753415 is a deficient number, since it is larger than the sum of its proper divisors (14017216825).
28135753415 is a wasteful number, since it uses less digits than its factorization.
28135753415 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 102383.
The product of its digits is 504000, while the sum is 44.
The spelling of 28135753415 in words is "twenty-eight billion, one hundred thirty-five million, seven hundred fifty-three thousand, four hundred fifteen".
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