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806685713641630 = 2580668571364163
BaseRepresentation
bin1011011101101011010010011…
…1011010000011000010011110
310220210020101211101020222111201
42313122310213122003002132
51321213214320143013010
611535402144552110114
7331626055665102124
oct26732644732030236
93823211741228451
10806685713641630
11214042543108899
127658511939533a
13288171a0853b24
141032bb2284b914
15633db2ee5223a
hex2ddad2768309e

806685713641630 has 8 divisors (see below), whose sum is σ = 1452034284554952. Its totient is φ = 322674285456648.

The previous prime is 806685713641601. The next prime is 806685713641631. The reversal of 806685713641630 is 36146317586608.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806685713641631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40334285682072 + ... + 40334285682091.

It is an arithmetic number, because the mean of its divisors is an integer number (181504285569369).

Almost surely, 2806685713641630 is an apocalyptic number.

806685713641630 is a deficient number, since it is larger than the sum of its proper divisors (645348570913322).

806685713641630 is a wasteful number, since it uses less digits than its factorization.

806685713641630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80668571364170.

The product of its (nonzero) digits is 104509440, while the sum is 64.

The spelling of 806685713641630 in words is "eight hundred six trillion, six hundred eighty-five billion, seven hundred thirteen million, six hundred forty-one thousand, six hundred thirty".

Divisors: 1 2 5 10 80668571364163 161337142728326 403342856820815 806685713641630