Base | Representation |
---|---|
bin | 11010010001101110… |
… | …010111001100001001 |
3 | 2200211022211220200021 |
4 | 122101232113030021 |
5 | 430240422404310 |
6 | 20543413540441 |
7 | 2016120412420 |
oct | 322156271411 |
9 | 80738756607 |
10 | 28214653705 |
11 | 10a69488a27 |
12 | 5575044721 |
13 | 2878535b84 |
14 | 15192a82b7 |
15 | b020175da |
hex | 691b97309 |
28214653705 has 16 divisors (see below), whose sum is σ = 38931778944. Its totient is φ = 19228492800.
The previous prime is 28214653703. The next prime is 28214653711. The reversal of 28214653705 is 50735641282.
It is not a de Polignac number, because 28214653705 - 21 = 28214653703 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (28214653703) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2467096 + ... + 2478505.
It is an arithmetic number, because the mean of its divisors is an integer number (2433236184).
Almost surely, 228214653705 is an apocalyptic number.
It is an amenable number.
28214653705 is a deficient number, since it is larger than the sum of its proper divisors (10717125239).
28214653705 is a wasteful number, since it uses less digits than its factorization.
28214653705 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4945776.
The product of its (nonzero) digits is 403200, while the sum is 43.
The spelling of 28214653705 in words is "twenty-eight billion, two hundred fourteen million, six hundred fifty-three thousand, seven hundred five".
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