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10247281026487 is a prime number
BaseRepresentation
bin1001010100011110000110…
…0010111010010110110111
31100021122000122002221110221
42111013201202322112313
52320342412420321422
633443311431355211
72105225114365501
oct225074142722667
940248018087427
1010247281026487
1132a0935aa221a
121195ba9822b07
13594411b1983b
14275d847acd71
1512b84e1ca3c7
hex951e18ba5b7

10247281026487 has 2 divisors, whose sum is σ = 10247281026488. Its totient is φ = 10247281026486.

The previous prime is 10247281026449. The next prime is 10247281026677. The reversal of 10247281026487 is 78462018274201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10247281026487 - 211 = 10247281024439 is a prime.

It is a super-2 number, since 2×102472810264872 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10247281023487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5123640513243 + 5123640513244.

It is an arithmetic number, because the mean of its divisors is an integer number (5123640513244).

Almost surely, 210247281026487 is an apocalyptic number.

10247281026487 is a deficient number, since it is larger than the sum of its proper divisors (1).

10247281026487 is an equidigital number, since it uses as much as digits as its factorization.

10247281026487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2408448, while the sum is 52.

The spelling of 10247281026487 in words is "ten trillion, two hundred forty-seven billion, two hundred eighty-one million, twenty-six thousand, four hundred eighty-seven".