Base | Representation |
---|---|
bin | 10100010001110110… |
… | …01110011101011101 |
3 | 1001002202010010011212 |
4 | 22020323032131131 |
5 | 134244103133233 |
6 | 5000153354205 |
7 | 533536230122 |
oct | 121073163535 |
9 | 31082103155 |
10 | 10887161693 |
11 | 46875787a1 |
12 | 213a108965 |
13 | 104673a415 |
14 | 753cda749 |
15 | 43ac00a48 |
hex | 288ece75d |
10887161693 has 2 divisors, whose sum is σ = 10887161694. Its totient is φ = 10887161692.
The previous prime is 10887161687. The next prime is 10887161713. The reversal of 10887161693 is 39616178801.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 9718410724 + 1168750969 = 98582^2 + 34187^2 .
It is an emirp because it is prime and its reverse (39616178801) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 10887161693 - 218 = 10886899549 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10887161603) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5443580846 + 5443580847.
It is an arithmetic number, because the mean of its divisors is an integer number (5443580847).
Almost surely, 210887161693 is an apocalyptic number.
It is an amenable number.
10887161693 is a deficient number, since it is larger than the sum of its proper divisors (1).
10887161693 is an equidigital number, since it uses as much as digits as its factorization.
10887161693 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 435456, while the sum is 50.
The spelling of 10887161693 in words is "ten billion, eight hundred eighty-seven million, one hundred sixty-one thousand, six hundred ninety-three".
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