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8863073321 = 31229331477
BaseRepresentation
bin10000100000100011…
…11100010000101001
3211212200102202220212
420100101330100221
5121122421321241
64023250230505
7432430610624
oct102021742051
924780382825
108863073321
113838a79193
121874285435
13ab32aaaab
14601170dbb
1536d180beb
hex21047c429

8863073321 has 12 divisors (see below), whose sum is σ = 9189750276. Its totient is φ = 8547622560.

The previous prime is 8863073311. The next prime is 8863073339. The reversal of 8863073321 is 1233703688.

It can be written as a sum of positive squares in 2 ways, for example, as 7347061225 + 1516012096 = 85715^2 + 38936^2 .

It is not a de Polignac number, because 8863073321 - 26 = 8863073257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8863073311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 265835 + ... + 297311.

It is an arithmetic number, because the mean of its divisors is an integer number (765812523).

Almost surely, 28863073321 is an apocalyptic number.

It is an amenable number.

8863073321 is a deficient number, since it is larger than the sum of its proper divisors (326676955).

8863073321 is a wasteful number, since it uses less digits than its factorization.

8863073321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31832 (or 31801 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 8863073321 is about 94143.8968866278. The cubic root of 8863073321 is about 2069.4810185012.

The spelling of 8863073321 in words is "eight billion, eight hundred sixty-three million, seventy-three thousand, three hundred twenty-one".

Divisors: 1 31 293 961 9083 31477 281573 975787 9222761 30249397 285905591 8863073321