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10240127281 is a prime number
BaseRepresentation
bin10011000100101101…
…11111000100110001
3222102122121100211101
421202112333010301
5131432433033111
64412041244401
7511521434326
oct114226770461
928378540741
1010240127281
11438531520a
121b99493701
13c72684217
146d1dccb4d
153edee1bc1
hex2625bf131

10240127281 has 2 divisors, whose sum is σ = 10240127282. Its totient is φ = 10240127280.

The previous prime is 10240127257. The next prime is 10240127329. The reversal of 10240127281 is 18272104201.

10240127281 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., 10172739600 + 67387681 = 100860^2 + 8209^2 .

It is a cyclic number.

It is not a de Polignac number, because 10240127281 - 213 = 10240119089 is a prime.

It is a super-2 number, since 2×102401272812 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10240127981) 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, 5120063640 + 5120063641.

It is an arithmetic number, because the mean of its divisors is an integer number (5120063641).

Almost surely, 210240127281 is an apocalyptic number.

It is an amenable number.

10240127281 is a deficient number, since it is larger than the sum of its proper divisors (1).

10240127281 is an equidigital number, since it uses as much as digits as its factorization.

10240127281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 28.

The spelling of 10240127281 in words is "ten billion, two hundred forty million, one hundred twenty-seven thousand, two hundred eighty-one".