Base | Representation |
---|---|
bin | 10100001111001100… |
… | …01000111011010101 |
3 | 1001001012010220121022 |
4 | 22013212020323111 |
5 | 134222400404124 |
6 | 4554035330525 |
7 | 533145521213 |
oct | 120746107325 |
9 | 31035126538 |
10 | 10864856789 |
11 | 4675a23796 |
12 | 2132750a45 |
13 | 1041c2ab57 |
14 | 750d71cb3 |
15 | 438c96c5e |
hex | 287988ed5 |
10864856789 has 2 divisors, whose sum is σ = 10864856790. Its totient is φ = 10864856788.
The previous prime is 10864856777. The next prime is 10864856803. The reversal of 10864856789 is 98765846801.
10864856789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 10695075889 + 169780900 = 103417^2 + 13030^2 .
It is an emirp because it is prime and its reverse (98765846801) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 10864856789 - 216 = 10864791253 is a prime.
It is a super-2 number, since 2×108648567892 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10864858789) 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 as a sum of consecutive naturals, namely, 5432428394 + 5432428395.
It is an arithmetic number, because the mean of its divisors is an integer number (5432428395).
Almost surely, 210864856789 is an apocalyptic number.
It is an amenable number.
10864856789 is a deficient number, since it is larger than the sum of its proper divisors (1).
10864856789 is an equidigital number, since it uses as much as digits as its factorization.
10864856789 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 23224320, while the sum is 62.
The spelling of 10864856789 in words is "ten billion, eight hundred sixty-four million, eight hundred fifty-six thousand, seven hundred eighty-nine".
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