Base | Representation |
---|---|
bin | 11001010000111110… |
… | …011110010011111111 |
3 | 2121000121210101022022 |
4 | 121100332132103333 |
5 | 421024324430033 |
6 | 20243530510355 |
7 | 1650160145105 |
oct | 312076362377 |
9 | 77017711268 |
10 | 27128358143 |
11 | 10561283aa7 |
12 | 53112953bb |
13 | 2734472c33 |
14 | 1454cd5c75 |
15 | a8b98c098 |
hex | 650f9e4ff |
27128358143 has 2 divisors, whose sum is σ = 27128358144. Its totient is φ = 27128358142.
The previous prime is 27128358097. The next prime is 27128358149. The reversal of 27128358143 is 34185382172.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 27128358143 - 28 = 27128357887 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 27128358094 and 27128358103.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (27128358149) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13564179071 + 13564179072.
It is an arithmetic number, because the mean of its divisors is an integer number (13564179072).
Almost surely, 227128358143 is an apocalyptic number.
27128358143 is a deficient number, since it is larger than the sum of its proper divisors (1).
27128358143 is an equidigital number, since it uses as much as digits as its factorization.
27128358143 is an evil number, because the sum of its binary digits is even.
The product of its digits is 322560, while the sum is 44.
The spelling of 27128358143 in words is "twenty-seven billion, one hundred twenty-eight million, three hundred fifty-eight thousand, one hundred forty-three".
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