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8540863093 = 72514861049
BaseRepresentation
bin1111111010001001…
…10011101001110101
3211001020010210120201
413331010303221311
5114442430104333
63531300200501
7421436065330
oct77504635165
924036123521
108540863093
113693104944
1217a4399131
13a61604859
145b0459617
1534ec3617d
hex1fd133a75

8540863093 has 8 divisors (see below), whose sum is σ = 9799876800. Its totient is φ = 7291572000.

The previous prime is 8540863061. The next prime is 8540863099. The reversal of 8540863093 is 3903680458.

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 8540863093 - 25 = 8540863061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8540863099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2428768 + ... + 2432281.

It is an arithmetic number, because the mean of its divisors is an integer number (1224984600).

Almost surely, 28540863093 is an apocalyptic number.

It is an amenable number.

8540863093 is a deficient number, since it is larger than the sum of its proper divisors (1259013707).

8540863093 is a wasteful number, since it uses less digits than its factorization.

8540863093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4861307.

The product of its (nonzero) digits is 622080, while the sum is 46.

The square root of 8540863093 is about 92416.7901033140. The cubic root of 8540863093 is about 2044.0926977905.

The spelling of 8540863093 in words is "eight billion, five hundred forty million, eight hundred sixty-three thousand, ninety-three".

Divisors: 1 7 251 1757 4861049 34027343 1220123299 8540863093