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8204840993 = 41283707131
BaseRepresentation
bin1111010010000101…
…11111000000100001
3210011210212002220202
413221002333000201
5113300414402433
63434054114545
7410215666136
oct75102770041
923153762822
108204840993
113530467528
12170b94ba55
13a09b039cb
1457b98a58d
153304adee8
hex1e90bf021

8204840993 has 8 divisors (see below), whose sum is σ = 8434670496. Its totient is φ = 7976426400.

The previous prime is 8204840989. The next prime is 8204841017. The reversal of 8204840993 is 3990484028.

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 8204840993 - 22 = 8204840989 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8204840593) 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, 341963 + ... + 365168.

It is an arithmetic number, because the mean of its divisors is an integer number (1054333812).

Almost surely, 28204840993 is an apocalyptic number.

It is an amenable number.

8204840993 is a deficient number, since it is larger than the sum of its proper divisors (229829503).

8204840993 is a wasteful number, since it uses less digits than its factorization.

8204840993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707455.

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 8204840993 is about 90580.5773496725. The cubic root of 8204840993 is about 2016.9264266662.

The spelling of 8204840993 in words is "eight billion, two hundred four million, eight hundred forty thousand, nine hundred ninety-three".

Divisors: 1 41 283 11603 707131 28992371 200118073 8204840993