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2827129228 = 227119178991
BaseRepresentation
bin1010100010000010…
…1001000110001100
321022000202001012221
42220200221012030
521242221113403
61144311105124
7130026126160
oct25040510614
97260661187
102827129228
111220928040
1266a9721a4
13360938641
141cb686ca0
151182e7dbd
hexa882918c

2827129228 has 24 divisors (see below), whose sum is σ = 6168282624. Its totient is φ = 1101478800.

The previous prime is 2827129219. The next prime is 2827129229. The reversal of 2827129228 is 8229217282.

It is not an unprimeable number, because it can be changed into a prime (2827129229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4589188 + ... + 4589803.

It is an arithmetic number, because the mean of its divisors is an integer number (257011776).

Almost surely, 22827129228 is an apocalyptic number.

2827129228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2827129228 is an abundant number, since it is smaller than the sum of its proper divisors (3341153396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2827129228 is a wasteful number, since it uses less digits than its factorization.

2827129228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9179013 (or 9179011 counting only the distinct ones).

The product of its digits is 129024, while the sum is 43.

The square root of 2827129228 is about 53170.7553830111. The cubic root of 2827129228 is about 1413.9972131529.

The spelling of 2827129228 in words is "two billion, eight hundred twenty-seven million, one hundred twenty-nine thousand, two hundred twenty-eight".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 9178991 18357982 36715964 64252937 100968901 128505874 201937802 257011748 403875604 706782307 1413564614 2827129228