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8163793868 = 226971292777
BaseRepresentation
bin1111001101001100…
…11001101111001100
3210001221121200211212
413212212121233030
5113204412400433
63430030233552
7406210050206
oct74646315714
923057550755
108163793868
11350a28118a
1216ba0558b8
13a01461679
14576343776
1532baa1d48
hex1e6999bcc

8163793868 has 12 divisors (see below), whose sum is σ = 14288737512. Its totient is φ = 4081297440.

The previous prime is 8163793867. The next prime is 8163793879. The reversal of 8163793868 is 8683973618.

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (8163793867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118505 + ... + 174272.

It is an arithmetic number, because the mean of its divisors is an integer number (1190728126).

Almost surely, 28163793868 is an apocalyptic number.

It is an amenable number.

8163793868 is a deficient number, since it is larger than the sum of its proper divisors (6124943644).

8163793868 is a wasteful number, since it uses less digits than its factorization.

8163793868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299752 (or 299750 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 59.

The square root of 8163793868 is about 90353.7152971586. The cubic root of 8163793868 is about 2013.5573800661.

The spelling of 8163793868 in words is "eight billion, one hundred sixty-three million, seven hundred ninety-three thousand, eight hundred sixty-eight".

Divisors: 1 2 4 6971 13942 27884 292777 585554 1171108 2040948467 4081896934 8163793868