Base | Representation |
---|---|
bin | 110101101010101… |
… | …0111101010100100 |
3 | 11122111110021220111 |
4 | 1223111113222210 |
5 | 12141443422233 |
6 | 454404342404 |
7 | 62424146005 |
oct | 15325275244 |
9 | 4574407814 |
10 | 1800764068 |
11 | 844536774 |
12 | 4230a4a04 |
13 | 2290c9a8c |
14 | 1312351ac |
15 | a8159acd |
hex | 6b557aa4 |
1800764068 has 6 divisors (see below), whose sum is σ = 3151337126. Its totient is φ = 900382032.
The previous prime is 1800764051. The next prime is 1800764071. The reversal of 1800764068 is 8604670081.
It can be written as a sum of positive squares in only one way, i.e., 1800474624 + 289444 = 42432^2 + 538^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 1800764068.
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 as a sum of consecutive naturals, namely, 225095505 + ... + 225095512.
Almost surely, 21800764068 is an apocalyptic number.
It is an amenable number.
1800764068 is a deficient number, since it is larger than the sum of its proper divisors (1350573058).
1800764068 is a wasteful number, since it uses less digits than its factorization.
1800764068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 450191021 (or 450191019 counting only the distinct ones).
The product of its (nonzero) digits is 64512, while the sum is 40.
The square root of 1800764068 is about 42435.4105435543. The cubic root of 1800764068 is about 1216.6124938745.
The spelling of 1800764068 in words is "one billion, eight hundred million, seven hundred sixty-four thousand, sixty-eight".
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