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13119572881 is a prime number
BaseRepresentation
bin11000011011111110…
…01100101110010001
31020212022210100121201
430031333030232101
5203332102313011
610005501551201
7643054346422
oct141577145621
936768710551
1013119572881
115622725318
122661875501
1313110a939c
148c65b3649
1551bbc0cc1
hex30dfccb91

13119572881 has 2 divisors, whose sum is σ = 13119572882. Its totient is φ = 13119572880.

The previous prime is 13119572867. The next prime is 13119572923. The reversal of 13119572881 is 18827591131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12840515856 + 279057025 = 113316^2 + 16705^2 .

It is a cyclic number.

It is not a de Polignac number, because 13119572881 - 211 = 13119570833 is a prime.

It is a super-2 number, since 2×131195728812 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13119572801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6559786440 + 6559786441.

It is an arithmetic number, because the mean of its divisors is an integer number (6559786441).

Almost surely, 213119572881 is an apocalyptic number.

It is an amenable number.

13119572881 is a deficient number, since it is larger than the sum of its proper divisors (1).

13119572881 is an equidigital number, since it uses as much as digits as its factorization.

13119572881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 46.

The spelling of 13119572881 in words is "thirteen billion, one hundred nineteen million, five hundred seventy-two thousand, eight hundred eighty-one".