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2686868682 = 23447811447
BaseRepresentation
bin1010000000100110…
…0101110011001010
320221020211001220220
42200021211303022
521000314244212
61122340530510
7123404002251
oct24011456312
96836731826
102686868682
111159738233
1262b9b0a36
1333a869834
141b6bb5798
1510ad3e38c
hexa0265cca

2686868682 has 8 divisors (see below), whose sum is σ = 5373737376. Its totient is φ = 895622892.

The previous prime is 2686868663. The next prime is 2686868689. The reversal of 2686868682 is 2868686862.

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

2686868682 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2686868689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223905718 + ... + 223905729.

It is an arithmetic number, because the mean of its divisors is an integer number (671717172).

Almost surely, 22686868682 is an apocalyptic number.

2686868682 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2686868682 is a wasteful number, since it uses less digits than its factorization.

2686868682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447811452.

The product of its digits is 21233664, while the sum is 60.

The square root of 2686868682 is about 51835.0140542086. The cubic root of 2686868682 is about 1390.2155665191.

The spelling of 2686868682 in words is "two billion, six hundred eighty-six million, eight hundred sixty-eight thousand, six hundred eighty-two".

Divisors: 1 2 3 6 447811447 895622894 1343434341 2686868682