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6808003640534 = 253383316756183
BaseRepresentation
bin110001100010001110010…
…1000110111110011010110
3220002211122110221100122202
41203010130220313303112
51343020242412444114
622251315333124502
71301601451065155
oct143043450676326
926084573840582
106808003640534
1121952926307a8
1291b52a789732
133a4cb8525635
1419771b0c959c
15bc159c43cde
hex6311ca37cd6

6808003640534 has 16 divisors (see below), whose sum is σ = 10407399931872. Its totient is φ = 3338903850048.

The previous prime is 6808003640533. The next prime is 6808003640551. The reversal of 6808003640534 is 4350463008086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6808003640531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7971794 + ... + 8784389.

It is an arithmetic number, because the mean of its divisors is an integer number (650462495742).

Almost surely, 26808003640534 is an apocalyptic number.

6808003640534 is a deficient number, since it is larger than the sum of its proper divisors (3599396291338).

6808003640534 is a wasteful number, since it uses less digits than its factorization.

6808003640534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16760071.

The product of its (nonzero) digits is 1658880, while the sum is 47.

The spelling of 6808003640534 in words is "six trillion, eight hundred eight billion, three million, six hundred forty thousand, five hundred thirty-four".

Divisors: 1 2 53 106 3833 7666 203149 406298 16756183 33512366 888077699 1776155398 64226449439 128452898878 3404001820267 6808003640534