Base | Representation |
---|---|
bin | 10111100001100110010… |
… | …01101100111011011011 |
3 | 2212021101122200202200020 |
4 | 23300303021230323123 |
5 | 101220410340023422 |
6 | 1415200004041523 |
7 | 112253503626234 |
oct | 13606311547333 |
9 | 2767348622606 |
10 | 808312032987 |
11 | 291892085148 |
12 | 1107a60932a3 |
13 | 5b2ba0415a4 |
14 | 2b1a025608b |
15 | 1605cdc695c |
hex | bc3326cedb |
808312032987 has 8 divisors (see below), whose sum is σ = 1077763791936. Its totient is φ = 538867481352.
The previous prime is 808312032973. The next prime is 808312032989. The reversal of 808312032987 is 789230213808.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 808312032987 - 26 = 808312032923 is a prime.
It is a super-2 number, since 2×8083120329872 (a number of 25 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (808312032989) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1534473 + ... + 1992794.
It is an arithmetic number, because the mean of its divisors is an integer number (134720473992).
Almost surely, 2808312032987 is an apocalyptic number.
808312032987 is a deficient number, since it is larger than the sum of its proper divisors (269451758949).
808312032987 is a wasteful number, since it uses less digits than its factorization.
808312032987 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3603657.
The product of its (nonzero) digits is 1161216, while the sum is 51.
The spelling of 808312032987 in words is "eight hundred eight billion, three hundred twelve million, thirty-two thousand, nine hundred eighty-seven".
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