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8163785023 is a prime number
BaseRepresentation
bin1111001101001100…
…10111100100111111
3210001221121020201021
413212212113210333
5113204412110043
63430030125011
7406210012342
oct74646274477
923057536637
108163785023
11350a275579
1216ba050767
13a0145a634
14576340459
1532ba9e3ed
hex1e699793f

8163785023 has 2 divisors, whose sum is σ = 8163785024. Its totient is φ = 8163785022.

The previous prime is 8163785017. The next prime is 8163785039. The reversal of 8163785023 is 3205873618.

8163785023 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8163785023 is a prime.

It is a super-2 number, since 2×81637850232 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8163785323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4081892511 + 4081892512.

It is an arithmetic number, because the mean of its divisors is an integer number (4081892512).

Almost surely, 28163785023 is an apocalyptic number.

8163785023 is a deficient number, since it is larger than the sum of its proper divisors (1).

8163785023 is an equidigital number, since it uses as much as digits as its factorization.

8163785023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 8163785023 is about 90353.6663506246. Note that the first 3 decimals coincide. The cubic root of 8163785023 is about 2013.5566528747.

The spelling of 8163785023 in words is "eight billion, one hundred sixty-three million, seven hundred eighty-five thousand, twenty-three".