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9120048771 = 33040016257
BaseRepresentation
bin10000111111001100…
…01110011010000011
3212112120222110222010
420133212032122003
5122134213030041
64104550144003
7442001064321
oct103746163203
925476873863
109120048771
113960036699
121926352003
13b245c3482
14627344d11
153859e1a16
hex21f98e683

9120048771 has 4 divisors (see below), whose sum is σ = 12160065032. Its totient is φ = 6080032512.

The previous prime is 9120048719. The next prime is 9120048781. The reversal of 9120048771 is 1778400219.

9120048771 is digitally balanced in base 2, 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.

It is not a de Polignac number, because 9120048771 - 222 = 9115854467 is a prime.

It is a super-2 number, since 2×91200487712 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9120048781) 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 3 ways as a sum of consecutive naturals, for example, 1520008126 + ... + 1520008131.

It is an arithmetic number, because the mean of its divisors is an integer number (3040016258).

Almost surely, 29120048771 is an apocalyptic number.

9120048771 is a deficient number, since it is larger than the sum of its proper divisors (3040016261).

9120048771 is a wasteful number, since it uses less digits than its factorization.

9120048771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3040016260.

The product of its (nonzero) digits is 28224, while the sum is 39.

The square root of 9120048771 is about 95498.9464392147. The cubic root of 9120048771 is about 2089.2915779311.

The spelling of 9120048771 in words is "nine billion, one hundred twenty million, forty-eight thousand, seven hundred seventy-one".

Divisors: 1 3 3040016257 9120048771