Base | Representation |
---|---|
bin | 111110010000111… |
… | …1100111000000001 |
3 | 12101121100011100011 |
4 | 1330201330320001 |
5 | 13234323244011 |
6 | 543152224521 |
7 | 102526354261 |
oct | 17441747001 |
9 | 5347304304 |
10 | 2089274881 |
11 | 982383161 |
12 | 4a383b141 |
13 | 273b04235 |
14 | 15b6977a1 |
15 | c3649621 |
hex | 7c87ce01 |
2089274881 has 2 divisors, whose sum is σ = 2089274882. Its totient is φ = 2089274880.
The previous prime is 2089274861. The next prime is 2089274909. The reversal of 2089274881 is 1884729802.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1455041025 + 634233856 = 38145^2 + 25184^2 .
It is a cyclic number.
It is not a de Polignac number, because 2089274881 - 211 = 2089272833 is a prime.
It is a super-2 number, since 2×20892748812 = 8730139056755128322, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (2089274801) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1044637440 + 1044637441.
It is an arithmetic number, because the mean of its divisors is an integer number (1044637441).
Almost surely, 22089274881 is an apocalyptic number.
It is an amenable number.
2089274881 is a deficient number, since it is larger than the sum of its proper divisors (1).
2089274881 is an equidigital number, since it uses as much as digits as its factorization.
2089274881 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 516096, while the sum is 49.
The square root of 2089274881 is about 45708.5865128205. The cubic root of 2089274881 is about 1278.3953853240.
The spelling of 2089274881 in words is "two billion, eighty-nine million, two hundred seventy-four thousand, eight hundred eighty-one".
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