Base | Representation |
---|---|
bin | 11010000101111001… |
… | …101111110101100101 |
3 | 2200022111122002112100 |
4 | 122011321233311211 |
5 | 424334133433103 |
6 | 20512010442313 |
7 | 2011161501621 |
oct | 320571576545 |
9 | 80274562470 |
10 | 28016311653 |
11 | 10977528680 |
12 | 551a733399 |
13 | 284640c405 |
14 | 14dabd8181 |
15 | ade8d95a3 |
hex | 685e6fd65 |
28016311653 has 12 divisors (see below), whose sum is σ = 44146915488. Its totient is φ = 16979582760.
The previous prime is 28016311649. The next prime is 28016311657. The reversal of 28016311653 is 35611361082.
28016311653 is a `hidden beast` number, since 2 + 8 + 0 + 1 + 631 + 16 + 5 + 3 = 666.
It is an interprime number because it is at equal distance from previous prime (28016311649) and next prime (28016311657).
It is not a de Polignac number, because 28016311653 - 22 = 28016311649 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28016311657) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141496425 + ... + 141496622.
It is an arithmetic number, because the mean of its divisors is an integer number (3678909624).
Almost surely, 228016311653 is an apocalyptic number.
It is an amenable number.
28016311653 is a deficient number, since it is larger than the sum of its proper divisors (16130603835).
28016311653 is a wasteful number, since it uses less digits than its factorization.
28016311653 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 282993064 (or 282993061 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 36.
The spelling of 28016311653 in words is "twenty-eight billion, sixteen million, three hundred eleven thousand, six hundred fifty-three".
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