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15049008281 is a prime number
BaseRepresentation
bin11100000001111110…
…11010010010011001
31102211210100211102002
432000333122102121
5221310021231111
610525144250345
71041633313466
oct160077322231
942753324362
1015049008281
11642285572a
122abba709b5
13155aa47c38
14a2a94066d
155d129563b
hex380fda499

15049008281 has 2 divisors, whose sum is σ = 15049008282. Its totient is φ = 15049008280.

The previous prime is 15049008269. The next prime is 15049008301. The reversal of 15049008281 is 18280094051.

15049008281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14523865225 + 525143056 = 120515^2 + 22916^2 .

It is a cyclic number.

It is not a de Polignac number, because 15049008281 - 214 = 15048991897 is a prime.

It is a super-2 number, since 2×150490082812 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (15049008211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7524504140 + 7524504141.

It is an arithmetic number, because the mean of its divisors is an integer number (7524504141).

Almost surely, 215049008281 is an apocalyptic number.

It is an amenable number.

15049008281 is a deficient number, since it is larger than the sum of its proper divisors (1).

15049008281 is an equidigital number, since it uses as much as digits as its factorization.

15049008281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 38.

The spelling of 15049008281 in words is "fifteen billion, forty-nine million, eight thousand, two hundred eighty-one".