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13453531379 is a prime number
BaseRepresentation
bin11001000011110010…
…01001100011110011
31021201121012012112222
430201321021203303
5210023101001004
610102551511255
7654251062361
oct144171114363
937647165488
1013453531379
115784193282
12273568852b
131365336b72
14918aa6631
1553b18b7be
hex321e498f3

13453531379 has 2 divisors, whose sum is σ = 13453531380. Its totient is φ = 13453531378.

The previous prime is 13453531363. The next prime is 13453531397. The reversal of 13453531379 is 97313535431.

13453531379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (13453531397) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13453531379 - 24 = 13453531363 is a prime.

It is not a weakly prime, because it can be changed into another prime (13453531339) 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, 6726765689 + 6726765690.

It is an arithmetic number, because the mean of its divisors is an integer number (6726765690).

Almost surely, 213453531379 is an apocalyptic number.

13453531379 is a deficient number, since it is larger than the sum of its proper divisors (1).

13453531379 is an equidigital number, since it uses as much as digits as its factorization.

13453531379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 510300, while the sum is 44.

The spelling of 13453531379 in words is "thirteen billion, four hundred fifty-three million, five hundred thirty-one thousand, three hundred seventy-nine".