Base | Representation |
---|---|
bin | 111011110101111… |
… | …1111011100001101 |
3 | 12011221110000121212 |
4 | 1313223333130031 |
5 | 13103023130444 |
6 | 531130504205 |
7 | 100521615620 |
oct | 16753773415 |
9 | 5157400555 |
10 | 2008020749 |
11 | 940525789 |
12 | 480595065 |
13 | 260025077 |
14 | 150985db7 |
15 | bb44919e |
hex | 77aff70d |
2008020749 has 8 divisors (see below), whose sum is σ = 2312951808. Its totient is φ = 1707607440.
The previous prime is 2008020713. The next prime is 2008020769. The reversal of 2008020749 is 9470208002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-2008020749 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2008020769) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1128482 + ... + 1130259.
It is an arithmetic number, because the mean of its divisors is an integer number (289118976).
Almost surely, 22008020749 is an apocalyptic number.
It is an amenable number.
2008020749 is a deficient number, since it is larger than the sum of its proper divisors (304931059).
2008020749 is a wasteful number, since it uses less digits than its factorization.
2008020749 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2258875.
The product of its (nonzero) digits is 8064, while the sum is 32.
The square root of 2008020749 is about 44810.9445225159. The cubic root of 2008020749 is about 1261.6030551545.
The spelling of 2008020749 in words is "two billion, eight million, twenty thousand, seven hundred forty-nine".
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