Search a number
-
+
6815501000361 = 32757277888929
BaseRepresentation
bin110001100101101101110…
…0001000001111010101001
3220010112222222112200212100
41203023123201001322221
51343131121224002421
622254555315404013
71302255316434114
oct143133341017251
926115888480770
106815501000361
11219848a6a9149
12920a815b3609
133a591189aa21
14197c2cb1157b
15bc448053c26
hex632db841ea9

6815501000361 has 6 divisors (see below), whose sum is σ = 9844612556090. Its totient is φ = 4543667333568.

The previous prime is 6815501000351. The next prime is 6815501000377. The reversal of 6815501000361 is 1630001055186.

6815501000361 is a `hidden beast` number, since 68 + 1 + 550 + 10 + 0 + 0 + 36 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6692672480400 + 122828519961 = 2587020^2 + 350469^2 .

It is not a de Polignac number, because 6815501000361 - 233 = 6806911065769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6815501000311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 378638944456 + ... + 378638944473.

Almost surely, 26815501000361 is an apocalyptic number.

It is an amenable number.

6815501000361 is a deficient number, since it is larger than the sum of its proper divisors (3029111555729).

6815501000361 is a wasteful number, since it uses less digits than its factorization.

6815501000361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757277888935 (or 757277888932 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The spelling of 6815501000361 in words is "six trillion, eight hundred fifteen billion, five hundred one million, three hundred sixty-one", and thus it is an aban number.

Divisors: 1 3 9 757277888929 2271833666787 6815501000361