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4909769245 = 52131346073
BaseRepresentation
bin1001001001010010…
…10010001000011101
3110200011121010020101
410210221102020131
540023400103440
62131105221101
7232445231023
oct44451221035
913604533211
104909769245
11209a489337
12b50331791
13603258904
143480d4713
151db08169a
hex124a5221d

4909769245 has 8 divisors (see below), whose sum is σ = 5892127416. Its totient is φ = 3927545856.

The previous prime is 4909769231. The next prime is 4909769251. The reversal of 4909769245 is 5429679094.

It can be written as a sum of positive squares in 4 ways, for example, as 551921049 + 4357848196 = 23493^2 + 66014^2 .

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 4909769245 - 25 = 4909769213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 83529 + ... + 129601.

It is an arithmetic number, because the mean of its divisors is an integer number (736515927).

Almost surely, 24909769245 is an apocalyptic number.

It is an amenable number.

4909769245 is a deficient number, since it is larger than the sum of its proper divisors (982358171).

4909769245 is a wasteful number, since it uses less digits than its factorization.

4909769245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67391.

The product of its (nonzero) digits is 4898880, while the sum is 55.

The square root of 4909769245 is about 70069.7455753908. The cubic root of 4909769245 is about 1699.6272821877.

The spelling of 4909769245 in words is "four billion, nine hundred nine million, seven hundred sixty-nine thousand, two hundred forty-five".

Divisors: 1 5 21313 46073 106565 230365 981953849 4909769245