Base | Representation |
---|---|
bin | 1110011101000101… |
… | …0010001010100101 |
3 | 101000102000212022221 |
4 | 3213101102022211 |
5 | 30421244131444 |
6 | 1441003152341 |
7 | 165103013605 |
oct | 34721221245 |
9 | 11012025287 |
10 | 3880067749 |
11 | 1711219368 |
12 | 9035156b1 |
13 | 49ab1c59c |
14 | 28b454c05 |
15 | 17a984a84 |
hex | e74522a5 |
3880067749 has 4 divisors (see below), whose sum is σ = 3933219436. Its totient is φ = 3826916064.
The previous prime is 3880067713. The next prime is 3880067791. The reversal of 3880067749 is 9477600883.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 3242505249 + 637562500 = 56943^2 + 25250^2 .
It is a cyclic number.
It is not a de Polignac number, because 3880067749 - 27 = 3880067621 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 3880067696 and 3880067705.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3880061749) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26575734 + ... + 26575879.
It is an arithmetic number, because the mean of its divisors is an integer number (983304859).
Almost surely, 23880067749 is an apocalyptic number.
It is an amenable number.
3880067749 is a deficient number, since it is larger than the sum of its proper divisors (53151687).
3880067749 is an equidigital number, since it uses as much as digits as its factorization.
3880067749 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53151686.
The product of its (nonzero) digits is 2032128, while the sum is 52.
The square root of 3880067749 is about 62290.1898295390. The cubic root of 3880067749 is about 1571.3747474312.
The spelling of 3880067749 in words is "three billion, eight hundred eighty million, sixty-seven thousand, seven hundred forty-nine".
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