Base | Representation |
---|---|
bin | 1100110111001101001010… |
… | …10010111011001010100101 |
3 | 10201011000212112121020122221 |
4 | 12123212211102323022211 |
5 | 12201410423002030413 |
6 | 140054002144352341 |
7 | 5646350650156441 |
oct | 633464522731245 |
9 | 121130775536587 |
10 | 28285132845733 |
11 | 9015726110515 |
12 | 3209a219156b1 |
13 | 12a237986159a |
14 | 6db017319821 |
15 | 340b6418768d |
hex | 19b9a54bb2a5 |
28285132845733 has 16 divisors (see below), whose sum is σ = 30102712704000. Its totient is φ = 26502063779520.
The previous prime is 28285132845719. The next prime is 28285132845769. The reversal of 28285132845733 is 33754823158282.
It is not a de Polignac number, because 28285132845733 - 25 = 28285132845701 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28285132840733) 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, 21898758 + ... + 23154391.
It is an arithmetic number, because the mean of its divisors is an integer number (1881419544000).
Almost surely, 228285132845733 is an apocalyptic number.
It is an amenable number.
28285132845733 is a deficient number, since it is larger than the sum of its proper divisors (1817579858267).
28285132845733 is a wasteful number, since it uses less digits than its factorization.
28285132845733 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45053532.
The product of its digits is 77414400, while the sum is 61.
The spelling of 28285132845733 in words is "twenty-eight trillion, two hundred eighty-five billion, one hundred thirty-two million, eight hundred forty-five thousand, seven hundred thirty-three".
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