Base | Representation |
---|---|
bin | 1111001101001100… |
… | …10111100100111111 |
3 | 210001221121020201021 |
4 | 13212212113210333 |
5 | 113204412110043 |
6 | 3430030125011 |
7 | 406210012342 |
oct | 74646274477 |
9 | 23057536637 |
10 | 8163785023 |
11 | 350a275579 |
12 | 16ba050767 |
13 | a0145a634 |
14 | 576340459 |
15 | 32ba9e3ed |
hex | 1e699793f |
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".
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