Base | Representation |
---|---|
bin | 11010001101010100… |
… | …111001110111110001 |
3 | 2200122012000101001011 |
4 | 122031110321313301 |
5 | 430113030334103 |
6 | 20532220310521 |
7 | 2014233313063 |
oct | 321524716761 |
9 | 80565011034 |
10 | 28140871153 |
11 | 10a3087400a |
12 | 55543a2441 |
13 | 2866171765 |
14 | 150d57d733 |
15 | aea7e0d6d |
hex | 68d539df1 |
28140871153 has 2 divisors, whose sum is σ = 28140871154. Its totient is φ = 28140871152.
The previous prime is 28140871093. The next prime is 28140871183. The reversal of 28140871153 is 35117804182.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 27971559009 + 169312144 = 167247^2 + 13012^2 .
It is a cyclic number.
It is not a de Polignac number, because 28140871153 - 229 = 27604000241 is a prime.
It is not a weakly prime, because it can be changed into another prime (28140871183) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14070435576 + 14070435577.
It is an arithmetic number, because the mean of its divisors is an integer number (14070435577).
Almost surely, 228140871153 is an apocalyptic number.
It is an amenable number.
28140871153 is a deficient number, since it is larger than the sum of its proper divisors (1).
28140871153 is an equidigital number, since it uses as much as digits as its factorization.
28140871153 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 53760, while the sum is 40.
The spelling of 28140871153 in words is "twenty-eight billion, one hundred forty million, eight hundred seventy-one thousand, one hundred fifty-three".
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