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9421489189 = 74393065893
BaseRepresentation
bin10001100011001000…
…01000010000100101
3220022121012020111001
420301210020100211
5123243400123224
64154515113301
7452321223340
oct106144102045
926277166431
109421489189
113aa5204302
1219ab2a2831
13b71ba6a98
146553b1457
153a21d7544
hex231908425

9421489189 has 8 divisors (see below), whose sum is σ = 10791946880. Its totient is φ = 8057164176.

The previous prime is 9421489183. The next prime is 9421489211. The reversal of 9421489189 is 9819841249.

It is a happy number.

9421489189 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9421489189 - 29 = 9421488677 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 (9421489183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1529874 + ... + 1536019.

It is an arithmetic number, because the mean of its divisors is an integer number (1348993360).

Almost surely, 29421489189 is an apocalyptic number.

It is an amenable number.

9421489189 is a deficient number, since it is larger than the sum of its proper divisors (1370457691).

9421489189 is a wasteful number, since it uses less digits than its factorization.

9421489189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3066339.

The product of its digits is 1492992, while the sum is 55.

The square root of 9421489189 is about 97064.3559140017. The cubic root of 9421489189 is about 2112.0612957518.

The spelling of 9421489189 in words is "nine billion, four hundred twenty-one million, four hundred eighty-nine thousand, one hundred eighty-nine".

Divisors: 1 7 439 3073 3065893 21461251 1345927027 9421489189