Base | Representation |
---|---|
bin | 1001101001011110… |
… | …1111100001001001 |
3 | 20200111101022202112 |
4 | 2122113233201021 |
5 | 20301004241314 |
6 | 1104554512105 |
7 | 121115626130 |
oct | 23227574111 |
9 | 6614338675 |
10 | 2589915209 |
11 | 1109a376a2 |
12 | 603435635 |
13 | 32375190b |
14 | 1a7d78917 |
15 | 10258c43e |
hex | 9a5ef849 |
2589915209 has 16 divisors (see below), whose sum is σ = 3105112320. Its totient is φ = 2113177920.
The previous prime is 2589915203. The next prime is 2589915221. The reversal of 2589915209 is 9025199852.
It is not a de Polignac number, because 2589915209 - 28 = 2589914953 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2589915203) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75434 + ... + 104259.
It is an arithmetic number, because the mean of its divisors is an integer number (194069520).
Almost surely, 22589915209 is an apocalyptic number.
2589915209 is a gapful number since it is divisible by the number (29) formed by its first and last digit.
It is an amenable number.
2589915209 is a deficient number, since it is larger than the sum of its proper divisors (515197111).
2589915209 is a wasteful number, since it uses less digits than its factorization.
2589915209 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 179800.
The product of its (nonzero) digits is 583200, while the sum is 50.
The square root of 2589915209 is about 50891.2095454608. The cubic root of 2589915209 is about 1373.2887067942.
The spelling of 2589915209 in words is "two billion, five hundred eighty-nine million, nine hundred fifteen thousand, two hundred nine".
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