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10524810661 is a prime number
BaseRepresentation
bin10011100110101001…
…11101110110100101
31000011111021210000021
421303110331312211
5133023322420121
64500211115141
7521546262121
oct116324756645
930144253007
1010524810661
114510a88032
1220588a2ab1
13cb964b521
1471bb36581
15418ec7641
hex27353dda5

10524810661 has 2 divisors, whose sum is σ = 10524810662. Its totient is φ = 10524810660.

The previous prime is 10524810643. The next prime is 10524810689. The reversal of 10524810661 is 16601842501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6402400225 + 4122410436 = 80015^2 + 64206^2 .

It is an emirp because it is prime and its reverse (16601842501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10524810661 - 229 = 9987939749 is a prime.

It is a super-2 number, since 2×105248106612 (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 (10524810631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5262405330 + 5262405331.

It is an arithmetic number, because the mean of its divisors is an integer number (5262405331).

Almost surely, 210524810661 is an apocalyptic number.

It is an amenable number.

10524810661 is a deficient number, since it is larger than the sum of its proper divisors (1).

10524810661 is an equidigital number, since it uses as much as digits as its factorization.

10524810661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 34.

The spelling of 10524810661 in words is "ten billion, five hundred twenty-four million, eight hundred ten thousand, six hundred sixty-one".