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7011100381 is a prime number
BaseRepresentation
bin1101000011110010…
…01110011011011101
3200002121121210122111
412201321032123131
5103324320203011
63115412114021
7335512240615
oct64171163335
920077553574
107011100381
112a7864653a
121438005911
138796c160c
144a7209a45
152b07ad121
hex1a1e4e6dd

7011100381 has 2 divisors, whose sum is σ = 7011100382. Its totient is φ = 7011100380.

The previous prime is 7011100357. The next prime is 7011100417. The reversal of 7011100381 is 1830011107.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7004183481 + 6916900 = 83691^2 + 2630^2 .

It is an emirp because it is prime and its reverse (1830011107) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7011100381 - 27 = 7011100253 is a prime.

It is a super-2 number, since 2×70111003812 = 98311057104916690322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7011104381) 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, 3505550190 + 3505550191.

It is an arithmetic number, because the mean of its divisors is an integer number (3505550191).

Almost surely, 27011100381 is an apocalyptic number.

It is an amenable number.

7011100381 is a deficient number, since it is larger than the sum of its proper divisors (1).

7011100381 is an equidigital number, since it uses as much as digits as its factorization.

7011100381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 22.

The square root of 7011100381 is about 83732.3138399985. The cubic root of 7011100381 is about 1913.9418042306.

Adding to 7011100381 its reverse (1830011107), we get a palindrome (8841111488).

The spelling of 7011100381 in words is "seven billion, eleven million, one hundred thousand, three hundred eighty-one".