Base | Representation |
---|---|
bin | 111111101111011… |
… | …0000011011011111 |
3 | 12112001110201200002 |
4 | 1333132300123133 |
5 | 13340011102434 |
6 | 552121124515 |
7 | 104000144324 |
oct | 17736603337 |
9 | 5461421602 |
10 | 2138769119 |
11 | 9a8308993 |
12 | 4b832973b |
13 | 281143376 |
14 | 16409cb4b |
15 | c7b7457e |
hex | 7f7b06df |
2138769119 has 2 divisors, whose sum is σ = 2138769120. Its totient is φ = 2138769118.
The previous prime is 2138769107. The next prime is 2138769121. The reversal of 2138769119 is 9119678312.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2138769119 is a prime.
It is a super-2 number, since 2×21387691192 = 9148666688776072322, which contains 22 as substring.
Together with 2138769121, 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 (2138769319) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1069384559 + 1069384560.
It is an arithmetic number, because the mean of its divisors is an integer number (1069384560).
Almost surely, 22138769119 is an apocalyptic number.
2138769119 is a deficient number, since it is larger than the sum of its proper divisors (1).
2138769119 is an equidigital number, since it uses as much as digits as its factorization.
2138769119 is an evil number, because the sum of its binary digits is even.
The product of its digits is 163296, while the sum is 47.
The square root of 2138769119 is about 46246.8282047537. The cubic root of 2138769119 is about 1288.4116257552.
The spelling of 2138769119 in words is "two billion, one hundred thirty-eight million, seven hundred sixty-nine thousand, one hundred nineteen".
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