Base | Representation |
---|---|
bin | 111110110000011… |
… | …1101010011111101 |
3 | 12102202102022012201 |
4 | 1331200331103331 |
5 | 13303040313431 |
6 | 544542231501 |
7 | 103116635344 |
oct | 17540752375 |
9 | 5382368181 |
10 | 2105791741 |
11 | 990734559 |
12 | 4a9285591 |
13 | 277368121 |
14 | 15d956b5b |
15 | c4d0d461 |
hex | 7d83d4fd |
2105791741 has 2 divisors, whose sum is σ = 2105791742. Its totient is φ = 2105791740.
The previous prime is 2105791711. The next prime is 2105791763. The reversal of 2105791741 is 1471975012.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1425364516 + 680427225 = 37754^2 + 26085^2 .
It is a cyclic number.
It is not a de Polignac number, because 2105791741 - 219 = 2105267453 is a prime.
It is a super-2 number, since 2×21057917412 = 8868717712927622162, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 2105791741.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2105791711) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052895870 + 1052895871.
It is an arithmetic number, because the mean of its divisors is an integer number (1052895871).
Almost surely, 22105791741 is an apocalyptic number.
It is an amenable number.
2105791741 is a deficient number, since it is larger than the sum of its proper divisors (1).
2105791741 is an equidigital number, since it uses as much as digits as its factorization.
2105791741 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 17640, while the sum is 37.
The square root of 2105791741 is about 45888.9065134483. The cubic root of 2105791741 is about 1281.7553514725.
The spelling of 2105791741 in words is "two billion, one hundred five million, seven hundred ninety-one thousand, seven hundred forty-one".
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