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800645086873 = 2361570666491
BaseRepresentation
bin10111010011010100010…
…10100111111010011001
32211112121022222112211001
423221222022213322121
5101104210120234443
61411451122505001
7111562505643532
oct13515212477231
92745538875731
10800645086873
11289608308045
1210b206505161
135a667800298
142aa73cc7689
1515c5ec68d4d
hexba6a2a7e99

800645086873 has 8 divisors (see below), whose sum is σ = 849151740096. Its totient is φ = 753279766800.

The previous prime is 800645086861. The next prime is 800645086897. The reversal of 800645086873 is 378680546008.

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 800645086873 - 29 = 800645086361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (800645086853) 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, 285331843 + ... + 285334648.

It is an arithmetic number, because the mean of its divisors is an integer number (106143967512).

Almost surely, 2800645086873 is an apocalyptic number.

It is an amenable number.

800645086873 is a deficient number, since it is larger than the sum of its proper divisors (48506653223).

800645086873 is a wasteful number, since it uses less digits than its factorization.

800645086873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570666575.

The product of its (nonzero) digits is 7741440, while the sum is 55.

The spelling of 800645086873 in words is "eight hundred billion, six hundred forty-five million, eighty-six thousand, eight hundred seventy-three".

Divisors: 1 23 61 1403 570666491 13125329293 34810655951 800645086873