Base | Representation |
---|---|
bin | 1100111011001000110001… |
… | …00001111000000111101001 |
3 | 10201121221112022100022220021 |
4 | 12131210120201320013221 |
5 | 12211114042243201213 |
6 | 140240021515400441 |
7 | 5662202205151141 |
oct | 635443041700751 |
9 | 121557468308807 |
10 | 28420210131433 |
11 | 9067a4178452a |
12 | 323003aa53121 |
13 | 12b20255b4783 |
14 | 70378cc43921 |
15 | 34441cb1bd8d |
hex | 19d9188781e9 |
28420210131433 has 2 divisors, whose sum is σ = 28420210131434. Its totient is φ = 28420210131432.
The previous prime is 28420210131409. The next prime is 28420210131457. The reversal of 28420210131433 is 33413101202482.
It is a balanced prime because it is at equal distance from previous prime (28420210131409) and next prime (28420210131457).
It can be written as a sum of positive squares in only one way, i.e., 18128452093504 + 10291758037929 = 4257752^2 + 3208077^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-28420210131433 is a prime.
It is not a weakly prime, because it can be changed into another prime (28420210131493) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14210105065716 + 14210105065717.
It is an arithmetic number, because the mean of its divisors is an integer number (14210105065717).
Almost surely, 228420210131433 is an apocalyptic number.
It is an amenable number.
28420210131433 is a deficient number, since it is larger than the sum of its proper divisors (1).
28420210131433 is an equidigital number, since it uses as much as digits as its factorization.
28420210131433 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 27648, while the sum is 34.
The spelling of 28420210131433 in words is "twenty-eight trillion, four hundred twenty billion, two hundred ten million, one hundred thirty-one thousand, four hundred thirty-three".
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