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11968973 = 47254659
BaseRepresentation
bin101101101010…
…000111001101
3211112002100022
4231222013031
511031001343
61104311525
7203506652
oct55520715
924462308
1011968973
116835515
1240125a5
132630b43
141837c29
1510b6568
hexb6a1cd

11968973 has 4 divisors (see below), whose sum is σ = 12223680. Its totient is φ = 11714268.

The previous prime is 11968961. The next prime is 11968981. The reversal of 11968973 is 37986911.

11968973 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37986911 = 199190889.

It is a cyclic number.

It is not a de Polignac number, because 11968973 - 212 = 11964877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11968903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127283 + ... + 127376.

It is an arithmetic number, because the mean of its divisors is an integer number (3055920).

Almost surely, 211968973 is an apocalyptic number.

It is an amenable number.

11968973 is a deficient number, since it is larger than the sum of its proper divisors (254707).

11968973 is an equidigital number, since it uses as much as digits as its factorization.

11968973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254706.

The product of its digits is 81648, while the sum is 44.

The square root of 11968973 is about 3459.6203548944. The cubic root of 11968973 is about 228.7453612684.

The spelling of 11968973 in words is "eleven million, nine hundred sixty-eight thousand, nine hundred seventy-three".

Divisors: 1 47 254659 11968973