Base | Representation |
---|---|
bin | 1101001111001101… |
… | …00110011000101101 |
3 | 200100021211222001101 |
4 | 12213212212120231 |
5 | 104023330143234 |
6 | 3133113043101 |
7 | 341054330611 |
oct | 64746463055 |
9 | 20307758041 |
10 | 7106881069 |
11 | 3017715a32 |
12 | 14640b6491 |
13 | 8934b8792 |
14 | 4b5c1d341 |
15 | 2b8dcc814 |
hex | 1a79a662d |
7106881069 has 2 divisors, whose sum is σ = 7106881070. Its totient is φ = 7106881068.
The previous prime is 7106881057. The next prime is 7106881073. The reversal of 7106881069 is 9601886017.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 7032835044 + 74046025 = 83862^2 + 8605^2 .
It is an emirp because it is prime and its reverse (9601886017) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 7106881069 - 217 = 7106749997 is a prime.
It is a super-2 number, since 2×71068810692 (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 (7106881039) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3553440534 + 3553440535.
It is an arithmetic number, because the mean of its divisors is an integer number (3553440535).
Almost surely, 27106881069 is an apocalyptic number.
It is an amenable number.
7106881069 is a deficient number, since it is larger than the sum of its proper divisors (1).
7106881069 is an equidigital number, since it uses as much as digits as its factorization.
7106881069 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 145152, while the sum is 46.
The square root of 7106881069 is about 84302.3194758009. The cubic root of 7106881069 is about 1922.6180529204.
The spelling of 7106881069 in words is "seven billion, one hundred six million, eight hundred eighty-one thousand, sixty-nine".
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