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2101000289 is a prime number
BaseRepresentation
bin111110100111010…
…1011100001100001
312102102101212120112
41331032223201201
513300324002124
6544251421105
7103031131163
oct17516534141
95372355515
102101000289
11988a61683
124a7754795
1327637b24b
1415d06a933
15c46b390e
hex7d3ab861

2101000289 has 2 divisors, whose sum is σ = 2101000290. Its totient is φ = 2101000288.

The previous prime is 2101000249. The next prime is 2101000333. The reversal of 2101000289 is 9820001012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2100663889 + 336400 = 45833^2 + 580^2 .

It is a cyclic number.

It is not a de Polignac number, because 2101000289 - 216 = 2100934753 is a prime.

It is not a weakly prime, because it can be changed into another prime (2101000229) 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 as a sum of consecutive naturals, namely, 1050500144 + 1050500145.

It is an arithmetic number, because the mean of its divisors is an integer number (1050500145).

Almost surely, 22101000289 is an apocalyptic number.

It is an amenable number.

2101000289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101000289 is an equidigital number, since it uses as much as digits as its factorization.

2101000289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 2101000289 is about 45836.6696979613. The cubic root of 2101000289 is about 1280.7824579910.

The spelling of 2101000289 in words is "two billion, one hundred one million, two hundred eighty-nine", and thus it is an aban number.