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17450092981 is a prime number
BaseRepresentation
bin10000010000000110…
…110100100110110101
31200001010102120102001
4100100012310212311
5241214210433411
612003320015301
71155300225436
oct202006644665
950033376361
1017450092981
117445139152
123470001531
131851323509
14bb77a348d
156c1e82dc1
hex4101b49b5

17450092981 has 2 divisors, whose sum is σ = 17450092982. Its totient is φ = 17450092980.

The previous prime is 17450092909. The next prime is 17450093021. The reversal of 17450092981 is 18929005471.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17426376081 + 23716900 = 132009^2 + 4870^2 .

It is a cyclic number.

It is not a de Polignac number, because 17450092981 - 217 = 17449961909 is a prime.

It is a super-2 number, since 2×174500929812 (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 (17450092381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8725046490 + 8725046491.

It is an arithmetic number, because the mean of its divisors is an integer number (8725046491).

Almost surely, 217450092981 is an apocalyptic number.

It is an amenable number.

17450092981 is a deficient number, since it is larger than the sum of its proper divisors (1).

17450092981 is an equidigital number, since it uses as much as digits as its factorization.

17450092981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 46.

The spelling of 17450092981 in words is "seventeen billion, four hundred fifty million, ninety-two thousand, nine hundred eighty-one".