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2051130049 is a prime number
BaseRepresentation
bin111101001000001…
…1100001011000001
312021221120012110121
41322100130023001
513200042130144
6535310500241
7101554213663
oct17220341301
95257505417
102051130049
1196289a401
12492b04681
13268c39c27
141565a8533
15c0112384
hex7a41c2c1

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".