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8428727542 = 25900971419
BaseRepresentation
bin1111101100110010…
…00010110011110110
3210202102010201112011
413312121002303312
5114230223240132
63512212514434
7415605000454
oct76631026366
923672121464
108428727542
113635884834
12177291ba1a
13a44302461
1459d5c99d4
15344e85b47
hex1f6642cf6

8428727542 has 8 divisors (see below), whose sum is σ = 12643482600. Its totient is φ = 4214233344.

The previous prime is 8428727519. The next prime is 8428727597. The reversal of 8428727542 is 2457278248.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 82309 + ... + 153727.

It is an arithmetic number, because the mean of its divisors is an integer number (1580435325).

Almost surely, 28428727542 is an apocalyptic number.

8428727542 is a deficient number, since it is larger than the sum of its proper divisors (4214755058).

8428727542 is a wasteful number, since it uses less digits than its factorization.

8428727542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130430.

The product of its digits is 2007040, while the sum is 49.

The square root of 8428727542 is about 91808.1017231050. The cubic root of 8428727542 is about 2035.1074236527.

The spelling of 8428727542 in words is "eight billion, four hundred twenty-eight million, seven hundred twenty-seven thousand, five hundred forty-two".

Divisors: 1 2 59009 71419 118018 142838 4214363771 8428727542