Base | Representation |
---|---|
bin | 111011110111011… |
… | …1000100101111011 |
3 | 12011222212112221002 |
4 | 1313232320211323 |
5 | 13103221413011 |
6 | 531155035215 |
7 | 100531224632 |
oct | 16756704573 |
9 | 5158775832 |
10 | 2008779131 |
11 | 9409a3547 |
12 | 48089bb0b |
13 | 26022c308 |
14 | 150b02519 |
15 | bb548c3b |
hex | 77bb897b |
2008779131 has 2 divisors, whose sum is σ = 2008779132. Its totient is φ = 2008779130.
The previous prime is 2008779067. The next prime is 2008779139. The reversal of 2008779131 is 1319778002.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2008779131 - 26 = 2008779067 is a prime.
It is a super-2 number, since 2×20087791312 = 8070387194282230322, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (2008779139) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1004389565 + 1004389566.
It is an arithmetic number, because the mean of its divisors is an integer number (1004389566).
Almost surely, 22008779131 is an apocalyptic number.
2008779131 is a deficient number, since it is larger than the sum of its proper divisors (1).
2008779131 is an equidigital number, since it uses as much as digits as its factorization.
2008779131 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 21168, while the sum is 38.
The square root of 2008779131 is about 44819.4057412635. The cubic root of 2008779131 is about 1261.7618610539.
The spelling of 2008779131 in words is "two billion, eight million, seven hundred seventy-nine thousand, one hundred thirty-one".
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