Base | Representation |
---|---|
bin | 11110101000100001111… |
… | …100010101100111100111 |
3 | 21110020122021111211021101 |
4 | 132220201330111213213 |
5 | 233442222440042414 |
6 | 4251023212300531 |
7 | 305042266002313 |
oct | 36504174254747 |
9 | 7406567454241 |
10 | 2105103440359 |
11 | 741851015197 |
12 | 29bb96a71747 |
13 | 12368347c0ba |
14 | 73c5d61ab43 |
15 | 39b5a2a2a74 |
hex | 1ea21f159e7 |
2105103440359 has 2 divisors, whose sum is σ = 2105103440360. Its totient is φ = 2105103440358.
The previous prime is 2105103440357. The next prime is 2105103440477. The reversal of 2105103440359 is 9530443015012.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2105103440359 - 21 = 2105103440357 is a prime.
It is a super-2 number, since 2×21051034403592 (a number of 25 digits) contains 22 as substring.
Together with 2105103440357, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2105103440357) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052551720179 + 1052551720180.
It is an arithmetic number, because the mean of its divisors is an integer number (1052551720180).
Almost surely, 22105103440359 is an apocalyptic number.
2105103440359 is a deficient number, since it is larger than the sum of its proper divisors (1).
2105103440359 is an equidigital number, since it uses as much as digits as its factorization.
2105103440359 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 64800, while the sum is 37.
The spelling of 2105103440359 in words is "two trillion, one hundred five billion, one hundred three million, four hundred forty thousand, three hundred fifty-nine".
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