Base | Representation |
---|---|
bin | 111011101010101101000… |
… | …1100110010001101100101 |
3 | 1002000222012022201102020122 |
4 | 1313111122030302031211 |
5 | 2033324320100301101 |
6 | 25235150100011325 |
7 | 1504321441524665 |
oct | 167253214621545 |
9 | 32028168642218 |
10 | 8200605868901 |
11 | 2681948250736 |
12 | b053ba390b45 |
13 | 4764105b5334 |
14 | 204ca8dd41a5 |
15 | e34b36b651b |
hex | 7755a332365 |
8200605868901 has 8 divisors (see below), whose sum is σ = 8205803307000. Its totient is φ = 8195409449920.
The previous prime is 8200605868853. The next prime is 8200605868943. The reversal of 8200605868901 is 1098685060028.
It is a Cunningham number, because it is equal to 28636702+1.
It can be written as a sum of positive squares in 4 ways, for example, as 1 + 8200605868900 = 1^2 + 2863670^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-8200605868901 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8200605868951) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16178531 + ... + 16677711.
It is an arithmetic number, because the mean of its divisors is an integer number (1025725413375).
Almost surely, 28200605868901 is an apocalyptic number.
It is an amenable number.
8200605868901 is a deficient number, since it is larger than the sum of its proper divisors (5197438099).
8200605868901 is a wasteful number, since it uses less digits than its factorization.
8200605868901 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 509559.
The product of its (nonzero) digits is 1658880, while the sum is 53.
The spelling of 8200605868901 in words is "eight trillion, two hundred billion, six hundred five million, eight hundred sixty-eight thousand, nine hundred one".
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