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27924430849 = 722317888809
BaseRepresentation
bin11010000000011011…
…010000000000000001
32200002002202001202121
4122000123100000001
5424142123241344
620454525244241
72005664513560
oct320033200001
980062661677
1027924430849
111092a682227
1254b3a03681
13283037c383
1414cc91bbd7
15ad67da684
hex6806d0001

27924430849 has 8 divisors (see below), whose sum is σ = 32056747520. Its totient is φ = 23827892256.

The previous prime is 27924430799. The next prime is 27924430871. The reversal of 27924430849 is 94803442972.

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

It is a de Polignac number, because none of the positive numbers 2k-27924430849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27924430796 and 27924430805.

It is not an unprimeable number, because it can be changed into a prime (27924430349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8942844 + ... + 8945965.

It is an arithmetic number, because the mean of its divisors is an integer number (4007093440).

Almost surely, 227924430849 is an apocalyptic number.

It is an amenable number.

27924430849 is a deficient number, since it is larger than the sum of its proper divisors (4132316671).

27924430849 is a wasteful number, since it uses less digits than its factorization.

27924430849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17889039.

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 27924430849 in words is "twenty-seven billion, nine hundred twenty-four million, four hundred thirty thousand, eight hundred forty-nine".

Divisors: 1 7 223 1561 17888809 125221663 3989204407 27924430849