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6800405979 = 32718364583
BaseRepresentation
bin1100101010101010…
…11111010111011011
3122112221011102021010
412111111133113123
5102411400442404
63042444145003
7330343332333
oct62525372733
918487142233
106800405979
11297a719734
121399538163
13844b61683
144872420c3
1529c040189
hex19555f5db

6800405979 has 8 divisors (see below), whose sum is σ = 9100667392. Its totient is φ = 4516874280.

The previous prime is 6800405971. The next prime is 6800405981. The reversal of 6800405979 is 9795040086.

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

It is not a de Polignac number, because 6800405979 - 23 = 6800405971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6800405971) 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, 4181479 + ... + 4183104.

It is an arithmetic number, because the mean of its divisors is an integer number (1137583424).

Almost surely, 26800405979 is an apocalyptic number.

6800405979 is a deficient number, since it is larger than the sum of its proper divisors (2300261413).

6800405979 is a wasteful number, since it uses less digits than its factorization.

6800405979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8364857.

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 6800405979 is about 82464.5740848760. The cubic root of 6800405979 is about 1894.5741766619.

The spelling of 6800405979 in words is "six billion, eight hundred million, four hundred five thousand, nine hundred seventy-nine".

Divisors: 1 3 271 813 8364583 25093749 2266801993 6800405979