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8821220063 = 731071129333
BaseRepresentation
bin10000011011100100…
…10010001011011111
3211202202200102001012
420031302102023133
5121031213020223
64015153205435
7431412063515
oct101562221337
924682612035
108821220063
113817392217
12186226087b
13aa7715856
145d97984b5
15369664c78
hex20dc922df

8821220063 has 8 divisors (see below), whose sum is σ = 9025637328. Its totient is φ = 8619061824.

The previous prime is 8821220017. The next prime is 8821220081. The reversal of 8821220063 is 3600221288.

8821220063 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 8821220063 - 214 = 8821203679 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 (8821220263) 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 7 ways as a sum of consecutive naturals, for example, 556856 + ... + 572477.

It is an arithmetic number, because the mean of its divisors is an integer number (1128204666).

Almost surely, 28821220063 is an apocalyptic number.

8821220063 is a deficient number, since it is larger than the sum of its proper divisors (204417265).

8821220063 is a wasteful number, since it uses less digits than its factorization.

8821220063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129513.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 8821220063 is about 93921.3504108624. The cubic root of 8821220063 is about 2066.2183722436.

The spelling of 8821220063 in words is "eight billion, eight hundred twenty-one million, two hundred twenty thousand, sixty-three".

Divisors: 1 73 107 7811 1129333 82441309 120838631 8821220063