Base | Representation |
---|---|
bin | 1110000101001110… |
… | …1010001110010001 |
3 | 100202102210021121102 |
4 | 3201103222032101 |
5 | 30220141333111 |
6 | 1423031034145 |
7 | 162446462462 |
oct | 34123521621 |
9 | 10672707542 |
10 | 3780027281 |
11 | 166a7aa498 |
12 | 895b0b955 |
13 | 483193544 |
14 | 27c052d69 |
15 | 171cc313b |
hex | e14ea391 |
3780027281 has 16 divisors (see below), whose sum is σ = 3873744000. Its totient is φ = 3687441408.
The previous prime is 3780027233. The next prime is 3780027283. The reversal of 3780027281 is 1827200873.
3780027281 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 3780027281 - 230 = 2706285457 is a prime.
It is a super-2 number, since 2×37800272812 = 28577212490208505922, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3780027283) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7761620 + ... + 7762106.
It is an arithmetic number, because the mean of its divisors is an integer number (242109000).
Almost surely, 23780027281 is an apocalyptic number.
It is an amenable number.
3780027281 is a deficient number, since it is larger than the sum of its proper divisors (93716719).
3780027281 is a wasteful number, since it uses less digits than its factorization.
3780027281 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1288.
The product of its (nonzero) digits is 37632, while the sum is 38.
The square root of 3780027281 is about 61481.9264581064. The cubic root of 3780027281 is about 1557.7519780710.
The spelling of 3780027281 in words is "three billion, seven hundred eighty million, twenty-seven thousand, two hundred eighty-one".
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