Base | Representation |
---|---|
bin | 111011101011111… |
… | …0110111000011100 |
3 | 12011120111212122201 |
4 | 1313113312320130 |
5 | 13100200232222 |
6 | 530421421244 |
7 | 100426014220 |
oct | 16727667034 |
9 | 5146455581 |
10 | 2002742812 |
11 | 938550354 |
12 | 47a86a824 |
13 | 25bbc7925 |
14 | 14ddb0780 |
15 | bac55427 |
hex | 775f6e1c |
2002742812 has 12 divisors (see below), whose sum is σ = 4005485680. Its totient is φ = 858318336.
The previous prime is 2002742767. The next prime is 2002742827. The reversal of 2002742812 is 2182472002.
2002742812 is an admirable number.
It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 71526529 = 2002742812 / (2 + 0 + 0 + 2 + 7 + 4 + 2 + 8 + 1 + 2).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35763237 + ... + 35763292.
Almost surely, 22002742812 is an apocalyptic number.
It is an amenable number.
2002742812 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2002742812 is a wasteful number, since it uses less digits than its factorization.
2002742812 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71526540 (or 71526538 counting only the distinct ones).
The product of its (nonzero) digits is 3584, while the sum is 28.
The square root of 2002742812 is about 44752.0146138696. The cubic root of 2002742812 is about 1260.4967412353.
The spelling of 2002742812 in words is "two billion, two million, seven hundred forty-two thousand, eight hundred twelve".
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