Base | Representation |
---|---|
bin | 10111100001010001110… |
… | …01111101100100001101 |
3 | 2212020221200020102111212 |
4 | 23300220321331210031 |
5 | 101220032333302134 |
6 | 1415130543424205 |
7 | 112246315543040 |
oct | 13605071754415 |
9 | 2766850212455 |
10 | 808140134669 |
11 | 29180404641a |
12 | 1107585b5065 |
13 | 5b2905461ca |
14 | 2b1854aac57 |
15 | 1604cc6dbce |
hex | bc28e7d90d |
808140134669 has 24 divisors (see below), whose sum is σ = 946375133184. Its totient is φ = 675968328000.
The previous prime is 808140134653. The next prime is 808140134687. The reversal of 808140134669 is 966431041808.
It is not a de Polignac number, because 808140134669 - 24 = 808140134653 is a prime.
It is a super-2 number, since 2×8081401346692 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (808140134689) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3185819 + ... + 3430119.
It is an arithmetic number, because the mean of its divisors is an integer number (39432297216).
Almost surely, 2808140134669 is an apocalyptic number.
It is an amenable number.
808140134669 is a deficient number, since it is larger than the sum of its proper divisors (138234998515).
808140134669 is a wasteful number, since it uses less digits than its factorization.
808140134669 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 244557 (or 244496 counting only the distinct ones).
The product of its (nonzero) digits is 995328, while the sum is 50.
The spelling of 808140134669 in words is "eight hundred eight billion, one hundred forty million, one hundred thirty-four thousand, six hundred sixty-nine".
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