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7106881069 is a prime number
BaseRepresentation
bin1101001111001101…
…00110011000101101
3200100021211222001101
412213212212120231
5104023330143234
63133113043101
7341054330611
oct64746463055
920307758041
107106881069
113017715a32
1214640b6491
138934b8792
144b5c1d341
152b8dcc814
hex1a79a662d

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".