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6689886330637 = 67533318722867
BaseRepresentation
bin110000101011001110001…
…0011000101111100001101
3212200112202200101022110101
41201112130103011330031
51334101341400040022
622121142533211101
71260220422366166
oct141263423057415
925615680338411
106689886330637
11214a18a479614
12900665490a91
13396b133c0ca3
14191b13c2276d
15b90451cc627
hex6159c4c5f0d

6689886330637 has 8 divisors (see below), whose sum is σ = 6791008898016. Its totient is φ = 6588801219792.

The previous prime is 6689886330619. The next prime is 6689886330713. The reversal of 6689886330637 is 7360336889866.

6689886330637 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6689886330637 - 219 = 6689885806349 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6689886330637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6689886330937) 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, 9004123 + ... + 9718744.

It is an arithmetic number, because the mean of its divisors is an integer number (848876112252).

Almost surely, 26689886330637 is an apocalyptic number.

6689886330637 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

It is an amenable number.

6689886330637 is a deficient number, since it is larger than the sum of its proper divisors (101122567379).

6689886330637 is a wasteful number, since it uses less digits than its factorization.

6689886330637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18728267.

The product of its (nonzero) digits is 1128701952, while the sum is 73.

The spelling of 6689886330637 in words is "six trillion, six hundred eighty-nine billion, eight hundred eighty-six million, three hundred thirty thousand, six hundred thirty-seven".

Divisors: 1 67 5333 357311 18722867 1254432089 99849049711 6689886330637