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808140134669 = 7612127244301
BaseRepresentation
bin10111100001010001110…
…01111101100100001101
32212020221200020102111212
423300220321331210031
5101220032333302134
61415130543424205
7112246315543040
oct13605071754415
92766850212455
10808140134669
1129180404641a
121107585b5065
135b2905461ca
142b1854aac57
151604cc6dbce
hexbc28e7d90d

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".

Divisors: 1 7 61 127 427 889 3721 7747 26047 54229 244301 472567 1710107 3307969 14902361 31026227 104316527 217183589 909044021 1892599847 6363308147 13248198929 115448590667 808140134669