Search a number
-
+
9540709969 = 71638361709
BaseRepresentation
bin10001110001010101…
…11010111001010001
3220121220112021122111
420320222322321101
5124014410204334
64214414305321
7455266460650
oct107052727121
926556467574
109540709969
11405653367a
121a231b8241
13b907ba11b
14667167197
153ac8d7064
hex238abae51

9540709969 has 8 divisors (see below), whose sum is σ = 10970563520. Its totient is φ = 8127580176.

The previous prime is 9540709967. The next prime is 9540710051. The reversal of 9540709969 is 9699070459.

9540709969 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 a cyclic number.

It is not a de Polignac number, because 9540709969 - 21 = 9540709967 is a prime.

It is a super-3 number, since 3×95407099693 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (9540709967) 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, 4179714 + ... + 4181995.

It is an arithmetic number, because the mean of its divisors is an integer number (1371320440).

Almost surely, 29540709969 is an apocalyptic number.

It is an amenable number.

9540709969 is a deficient number, since it is larger than the sum of its proper divisors (1429853551).

9540709969 is a wasteful number, since it uses less digits than its factorization.

9540709969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8361879.

The product of its (nonzero) digits is 5511240, while the sum is 58.

The square root of 9540709969 is about 97676.5579297305. The cubic root of 9540709969 is about 2120.9327485213.

The spelling of 9540709969 in words is "nine billion, five hundred forty million, seven hundred nine thousand, nine hundred sixty-nine".

Divisors: 1 7 163 1141 8361709 58531963 1362958567 9540709969