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5387218667 = 832782003
BaseRepresentation
bin1010000010001101…
…00110111011101011
3111220110000001201022
411001012212323223
542013111444132
62250322443055
7250333413605
oct50106467353
914813001638
105387218667
112314a43136
12106420348b
1367b14666c
1439169a175
15217e42e12
hex1411a6eeb

5387218667 has 6 divisors (see below), whose sum is σ = 5452913892. Its totient is φ = 5322305612.

The previous prime is 5387218651. The next prime is 5387218679. The reversal of 5387218667 is 7668127835.

It is not a de Polignac number, because 5387218667 - 24 = 5387218651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5387218607) 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 5 ways as a sum of consecutive naturals, for example, 384113 + ... + 397890.

It is an arithmetic number, because the mean of its divisors is an integer number (908818982).

Almost surely, 25387218667 is an apocalyptic number.

5387218667 is a deficient number, since it is larger than the sum of its proper divisors (65695225).

5387218667 is an frugal number, since it uses more digits than its factorization.

5387218667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782169 (or 782086 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 53.

The square root of 5387218667 is about 73397.6748064951. The cubic root of 5387218667 is about 1753.0253699892.

The spelling of 5387218667 in words is "five billion, three hundred eighty-seven million, two hundred eighteen thousand, six hundred sixty-seven".

Divisors: 1 83 6889 782003 64906249 5387218667