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11448847979 is a prime number
BaseRepresentation
bin10101010100110011…
…11000111001101011
31002112220000201220122
422222121320321223
5141421401113404
65132020313455
7553466413352
oct125231707153
932486021818
1011448847979
114945637a38
12227624288b
131105c0cb7a
147a874c999
154701a13be
hex2aa678e6b

11448847979 has 2 divisors, whose sum is σ = 11448847980. Its totient is φ = 11448847978.

The previous prime is 11448847967. The next prime is 11448848003. The reversal of 11448847979 is 97974884411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11448847979 - 28 = 11448847723 is a prime.

It is a super-2 number, since 2×114488479792 (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (11448847939) 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, 5724423989 + 5724423990.

It is an arithmetic number, because the mean of its divisors is an integer number (5724423990).

Almost surely, 211448847979 is an apocalyptic number.

11448847979 is a deficient number, since it is larger than the sum of its proper divisors (1).

11448847979 is an equidigital number, since it uses as much as digits as its factorization.

11448847979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16257024, while the sum is 62.

The spelling of 11448847979 in words is "eleven billion, four hundred forty-eight million, eight hundred forty-seven thousand, nine hundred seventy-nine".