Base | Representation |
---|---|
bin | 1011010110110110… |
… | …1111001010110101 |
3 | 21212110121021020110 |
4 | 2311231233022311 |
5 | 22220424301111 |
6 | 1222303253233 |
7 | 135356142300 |
oct | 26555571265 |
9 | 7773537213 |
10 | 3048665781 |
11 | 132498a7a7 |
12 | 710baa219 |
13 | 3977c3565 |
14 | 20cc73b37 |
15 | 12c9a85a6 |
hex | b5b6f2b5 |
3048665781 has 24 divisors (see below), whose sum is σ = 4749798144. Its totient is φ = 1734264000.
The previous prime is 3048665761. The next prime is 3048665813. The reversal of 3048665781 is 1875668403.
It is not a de Polignac number, because 3048665781 - 214 = 3048649397 is a prime.
It is a super-2 number, since 2×30486657812 = 18588726088480679922, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 3048665781.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3048665701) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13720 + ... + 79281.
It is an arithmetic number, because the mean of its divisors is an integer number (197908256).
Almost surely, 23048665781 is an apocalyptic number.
It is an amenable number.
3048665781 is a deficient number, since it is larger than the sum of its proper divisors (1701132363).
3048665781 is a wasteful number, since it uses less digits than its factorization.
3048665781 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 93241 (or 93234 counting only the distinct ones).
The product of its (nonzero) digits is 967680, while the sum is 48.
The square root of 3048665781 is about 55214.7243133568. The cubic root of 3048665781 is about 1450.0064654488.
The spelling of 3048665781 in words is "three billion, forty-eight million, six hundred sixty-five thousand, seven hundred eighty-one".
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