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13444033987 is a prime number
BaseRepresentation
bin11001000010101001…
…11010110111000011
31021200221022200120201
430201110322313003
5210013133041422
610102012150031
7654104255236
oct144124726703
937627280521
1013444033987
11577989679a
122732468317
13136338ccc7
1491771341d
1553a412727
hex32153adc3

13444033987 has 2 divisors, whose sum is σ = 13444033988. Its totient is φ = 13444033986.

The previous prime is 13444033963. The next prime is 13444034057. The reversal of 13444033987 is 78933044431.

13444033987 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 is a cyclic number.

It is not a de Polignac number, because 13444033987 - 219 = 13443509699 is a prime.

It is a super-2 number, since 2×134440339872 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13444033957) 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, 6722016993 + 6722016994.

It is an arithmetic number, because the mean of its divisors is an integer number (6722016994).

Almost surely, 213444033987 is an apocalyptic number.

13444033987 is a deficient number, since it is larger than the sum of its proper divisors (1).

13444033987 is an equidigital number, since it uses as much as digits as its factorization.

13444033987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 46.

The spelling of 13444033987 in words is "thirteen billion, four hundred forty-four million, thirty-three thousand, nine hundred eighty-seven".