Base | Representation |
---|---|
bin | 100000111110011000… |
… | …0101000100111100101 |
3 | 20202210001101211121201 |
4 | 1001330300220213211 |
5 | 2130011011211210 |
6 | 52310355442501 |
7 | 5054542114132 |
oct | 1017460504745 |
9 | 222701354551 |
10 | 70812600805 |
11 | 2803895a091 |
12 | 11882bb6431 |
13 | 68a68bcb2b |
14 | 35da901589 |
15 | 1c96b2653a |
hex | 107cc289e5 |
70812600805 has 8 divisors (see below), whose sum is σ = 87047685144. Its totient is φ = 55268371200.
The previous prime is 70812600743. The next prime is 70812600811. The reversal of 70812600805 is 50800621807.
It can be written as a sum of positive squares in 4 ways, for example, as 1976158116 + 68836442689 = 44454^2 + 262367^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 70812600805 - 223 = 70804212197 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172713456 + ... + 172713865.
It is an arithmetic number, because the mean of its divisors is an integer number (10880960643).
Almost surely, 270812600805 is an apocalyptic number.
It is an amenable number.
70812600805 is a deficient number, since it is larger than the sum of its proper divisors (16235084339).
70812600805 is a wasteful number, since it uses less digits than its factorization.
70812600805 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 345427367.
The product of its (nonzero) digits is 26880, while the sum is 37.
The spelling of 70812600805 in words is "seventy billion, eight hundred twelve million, six hundred thousand, eight hundred five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •