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7226056181 is a prime number
BaseRepresentation
bin1101011101011010…
…01101110111110101
3200122121002200120102
412232231031313311
5104244332244211
63153011243445
7344032315121
oct65655156765
920577080512
107226056181
113078a13a63
121497ba9585
138b20b40b6
144c79a2581
152c45bda3b
hex1aeb4ddf5

7226056181 has 2 divisors, whose sum is σ = 7226056182. Its totient is φ = 7226056180.

The previous prime is 7226056153. The next prime is 7226056207. The reversal of 7226056181 is 1816506227.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4204355281 + 3021700900 = 64841^2 + 54970^2 .

It is an emirp because it is prime and its reverse (1816506227) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7226056181 - 210 = 7226055157 is a prime.

It is a super-3 number, since 3×72260561813 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7226056141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3613028090 + 3613028091.

It is an arithmetic number, because the mean of its divisors is an integer number (3613028091).

Almost surely, 27226056181 is an apocalyptic number.

It is an amenable number.

7226056181 is a deficient number, since it is larger than the sum of its proper divisors (1).

7226056181 is an equidigital number, since it uses as much as digits as its factorization.

7226056181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 7226056181 is about 85006.2126023740. The cubic root of 7226056181 is about 1933.3053136612.

The spelling of 7226056181 in words is "seven billion, two hundred twenty-six million, fifty-six thousand, one hundred eighty-one".