Base | Representation |
---|---|
bin | 1101001011111111… |
… | …10100110010001001 |
3 | 200021102011011202201 |
4 | 12211333310302021 |
5 | 103444431023314 |
6 | 3130311400201 |
7 | 340306330120 |
oct | 64577646211 |
9 | 20242134681 |
10 | 7079939209 |
11 | 3003494132 |
12 | 1457083061 |
13 | 88aa44755 |
14 | 4b2408ab7 |
15 | 2b6859b74 |
hex | 1a5ff4c89 |
7079939209 has 8 divisors (see below), whose sum is σ = 8091867968. Its totient is φ = 6068137680.
The previous prime is 7079939183. The next prime is 7079939213. The reversal of 7079939209 is 9029399707.
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 7079939209 - 217 = 7079808137 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 7079939209.
It is not an unprimeable number, because it can be changed into a prime (7079939219) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204679 + ... + 236755.
It is an arithmetic number, because the mean of its divisors is an integer number (1011483496).
Almost surely, 27079939209 is an apocalyptic number.
It is an amenable number.
7079939209 is a deficient number, since it is larger than the sum of its proper divisors (1011928759).
7079939209 is a wasteful number, since it uses less digits than its factorization.
7079939209 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63615.
The product of its (nonzero) digits is 1928934, while the sum is 55.
The square root of 7079939209 is about 84142.3746337124. The cubic root of 7079939209 is about 1920.1854574365.
The spelling of 7079939209 in words is "seven billion, seventy-nine million, nine hundred thirty-nine thousand, two hundred nine".
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