Base | Representation |
---|---|
bin | 1100101010101010… |
… | …11111010111011011 |
3 | 122112221011102021010 |
4 | 12111111133113123 |
5 | 102411400442404 |
6 | 3042444145003 |
7 | 330343332333 |
oct | 62525372733 |
9 | 18487142233 |
10 | 6800405979 |
11 | 297a719734 |
12 | 1399538163 |
13 | 844b61683 |
14 | 4872420c3 |
15 | 29c040189 |
hex | 19555f5db |
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".
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