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13045063481 is a prime number
BaseRepresentation
bin11000010011000101…
…11101111100111001
31020200010120212221022
430021202331330321
5203204014012411
65554240552225
7641161132022
oct141142757471
936603525838
1013045063481
1155946642aa
122640922675
1312cb81c198
148ba739c49
155153a3edb
hex3098bdf39

13045063481 has 2 divisors, whose sum is σ = 13045063482. Its totient is φ = 13045063480.

The previous prime is 13045063463. The next prime is 13045063511. The reversal of 13045063481 is 18436054031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7607328400 + 5437735081 = 87220^2 + 73741^2 .

It is a cyclic number.

It is not a de Polignac number, because 13045063481 - 230 = 11971321657 is a prime.

It is a super-2 number, since 2×130450634812 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13045063411) 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, 6522531740 + 6522531741.

It is an arithmetic number, because the mean of its divisors is an integer number (6522531741).

Almost surely, 213045063481 is an apocalyptic number.

It is an amenable number.

13045063481 is a deficient number, since it is larger than the sum of its proper divisors (1).

13045063481 is an equidigital number, since it uses as much as digits as its factorization.

13045063481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 13045063481 in words is "thirteen billion, forty-five million, sixty-three thousand, four hundred eighty-one".