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1427078813 = 4759351203
BaseRepresentation
bin101010100001111…
…0111111010011101
310200110022010002212
41111003313322131
510410313010223
6353335130205
750235653426
oct12503677235
93613263085
101427078813
11672604486
12339b13965
1319986cc44
14d776064d
1585443278
hex550f7e9d

1427078813 has 8 divisors (see below), whose sum is σ = 1459928448. Its totient is φ = 1394332864.

The previous prime is 1427078801. The next prime is 1427078827. The reversal of 1427078813 is 3188707241.

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 1427078813 - 216 = 1427013277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427078113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2270 + ... + 53472.

It is an arithmetic number, because the mean of its divisors is an integer number (182491056).

Almost surely, 21427078813 is an apocalyptic number.

It is an amenable number.

1427078813 is a deficient number, since it is larger than the sum of its proper divisors (32849635).

1427078813 is an equidigital number, since it uses as much as digits as its factorization.

1427078813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51843.

The product of its (nonzero) digits is 75264, while the sum is 41.

The square root of 1427078813 is about 37776.6966925378. The cubic root of 1427078813 is about 1125.8554975584.

The spelling of 1427078813 in words is "one billion, four hundred twenty-seven million, seventy-eight thousand, eight hundred thirteen".

Divisors: 1 47 593 27871 51203 2406541 30363379 1427078813