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13422421487 is a prime number
BaseRepresentation
bin11001000000000100…
…11110010111101111
31021122102122122210202
430200002132113233
5204442114441422
610055521024115
7653422462106
oct144002362757
937572578722
1013422421487
115768674a22
12272718503b
13135ba63947
149148c903d
15538593b92
hex32009e5ef

13422421487 has 2 divisors, whose sum is σ = 13422421488. Its totient is φ = 13422421486.

The previous prime is 13422421373. The next prime is 13422421499. The reversal of 13422421487 is 78412422431.

13422421487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13422421487 - 224 = 13405644271 is a prime.

It is a super-2 number, since 2×134224214872 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13422421487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13422421687) 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, 6711210743 + 6711210744.

It is an arithmetic number, because the mean of its divisors is an integer number (6711210744).

Almost surely, 213422421487 is an apocalyptic number.

13422421487 is a deficient number, since it is larger than the sum of its proper divisors (1).

13422421487 is an equidigital number, since it uses as much as digits as its factorization.

13422421487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86016, while the sum is 38.

The spelling of 13422421487 in words is "thirteen billion, four hundred twenty-two million, four hundred twenty-one thousand, four hundred eighty-seven".