Base | Representation |
---|---|
bin | 111011100110101… |
… | …1001111101001011 |
3 | 12011101100200012011 |
4 | 1313031121331023 |
5 | 13044000043031 |
6 | 530243000351 |
7 | 100363513135 |
oct | 16715317513 |
9 | 5141320164 |
10 | 2000002891 |
11 | 936a49857 |
12 | 4799690b7 |
13 | 25b478783 |
14 | 14d89a055 |
15 | ba8b36b1 |
hex | 77359f4b |
2000002891 has 8 divisors (see below), whose sum is σ = 2044298304. Its totient is φ = 1955780160.
The previous prime is 2000002853. The next prime is 2000002931. The reversal of 2000002891 is 1982000002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2000002891 - 29 = 2000002379 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2000002801) 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, 39471 + ... + 74551.
It is an arithmetic number, because the mean of its divisors is an integer number (255537288).
Almost surely, 22000002891 is an apocalyptic number.
2000002891 is a deficient number, since it is larger than the sum of its proper divisors (44295413).
2000002891 is a wasteful number, since it uses less digits than its factorization.
2000002891 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36341.
The product of its (nonzero) digits is 288, while the sum is 22.
The square root of 2000002891 is about 44721.3918723467. The cubic root of 2000002891 is about 1259.9216569665.
Adding to 2000002891 its reverse (1982000002), we get a palindrome (3982002893).
The spelling of 2000002891 in words is "two billion, two thousand, eight hundred ninety-one".
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