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9427616989 = 72946441463
BaseRepresentation
bin10001100011110111…
…00000010011011101
3220100000201120020121
420301323200103131
5123301432220424
64155254314541
7452424264550
oct106173402335
926300646217
109427616989
113aa870a1aa
1219b1358a51
13b73240cbb
14656128697
153a29e7ee4
hex231ee04dd

9427616989 has 8 divisors (see below), whose sum is σ = 11145951360. Its totient is φ = 7802165616.

The previous prime is 9427616969. The next prime is 9427616999. The reversal of 9427616989 is 9896167249.

9427616989 is digitally balanced in base 2, 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 not a de Polignac number, because 9427616989 - 229 = 8890746077 is a prime.

It is a super-2 number, since 2×94276169892 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9427616969) 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 in 7 ways as a sum of consecutive naturals, for example, 23220529 + ... + 23220934.

It is an arithmetic number, because the mean of its divisors is an integer number (1393243920).

Almost surely, 29427616989 is an apocalyptic number.

It is an amenable number.

9427616989 is a deficient number, since it is larger than the sum of its proper divisors (1718334371).

9427616989 is a wasteful number, since it uses less digits than its factorization.

9427616989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46441499.

The product of its digits is 11757312, while the sum is 61.

The square root of 9427616989 is about 97095.9164383343. The cubic root of 9427616989 is about 2112.5190961429.

The spelling of 9427616989 in words is "nine billion, four hundred twenty-seven million, six hundred sixteen thousand, nine hundred eighty-nine".

Divisors: 1 7 29 203 46441463 325090241 1346802427 9427616989