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2103001220069 is a prime number
BaseRepresentation
bin11110100110100100101…
…001000000001111100101
321110001012202210222011122
4132212210221000033211
5233423421303020234
64250034434343325
7304636221300221
oct36464451001745
97401182728148
102103001220069
117409723aaa52
1229b6aaa2ab45
13123409a94779
1473b00353781
1539a8594c92e
hex1e9a4a403e5

2103001220069 has 2 divisors, whose sum is σ = 2103001220070. Its totient is φ = 2103001220068.

The previous prime is 2103001220027. The next prime is 2103001220071. The reversal of 2103001220069 is 9600221003012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1104470679844 + 998530540225 = 1050938^2 + 999265^2 .

It is a cyclic number.

It is not a de Polignac number, because 2103001220069 - 240 = 1003489592293 is a prime.

It is a super-2 number, since 2×21030012200692 (a number of 25 digits) contains 22 as substring.

Together with 2103001220071, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2103001223069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051500610034 + 1051500610035.

It is an arithmetic number, because the mean of its divisors is an integer number (1051500610035).

Almost surely, 22103001220069 is an apocalyptic number.

It is an amenable number.

2103001220069 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103001220069 is an equidigital number, since it uses as much as digits as its factorization.

2103001220069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 2103001220069 in words is "two trillion, one hundred three billion, one million, two hundred twenty thousand, sixty-nine".