Base | Representation |
---|---|
bin | 111101001000001… |
… | …1100001011000001 |
3 | 12021221120012110121 |
4 | 1322100130023001 |
5 | 13200042130144 |
6 | 535310500241 |
7 | 101554213663 |
oct | 17220341301 |
9 | 5257505417 |
10 | 2051130049 |
11 | 96289a401 |
12 | 492b04681 |
13 | 268c39c27 |
14 | 1565a8533 |
15 | c0112384 |
hex | 7a41c2c1 |
2051130049 has 2 divisors, whose sum is σ = 2051130050. Its totient is φ = 2051130048.
The previous prime is 2051130043. The next prime is 2051130077. The reversal of 2051130049 is 9400311502.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1457330625 + 593799424 = 38175^2 + 24368^2 .
It is a cyclic number.
It is not a de Polignac number, because 2051130049 - 25 = 2051130017 is a prime.
It is not a weakly prime, because it can be changed into another prime (2051130043) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025565024 + 1025565025.
It is an arithmetic number, because the mean of its divisors is an integer number (1025565025).
Almost surely, 22051130049 is an apocalyptic number.
It is an amenable number.
2051130049 is a deficient number, since it is larger than the sum of its proper divisors (1).
2051130049 is an equidigital number, since it uses as much as digits as its factorization.
2051130049 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1080, while the sum is 25.
The square root of 2051130049 is about 45289.4032749384. The cubic root of 2051130049 is about 1270.5674709960.
The spelling of 2051130049 in words is "two billion, fifty-one million, one hundred thirty thousand, forty-nine".
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