Base | Representation |
---|---|
bin | 111110110010111… |
… | …0101001111100001 |
3 | 12102211211012211202 |
4 | 1331211311033201 |
5 | 13303402210114 |
6 | 545025450545 |
7 | 103133536334 |
oct | 17545651741 |
9 | 5384735752 |
10 | 2107069409 |
11 | 991427485 |
12 | 4a97a0a55 |
13 | 2776c4843 |
14 | 15dbaa61b |
15 | c4eb1cde |
hex | 7d9753e1 |
2107069409 has 2 divisors, whose sum is σ = 2107069410. Its totient is φ = 2107069408.
The previous prime is 2107069397. The next prime is 2107069423. The reversal of 2107069409 is 9049607012.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1603201600 + 503867809 = 40040^2 + 22447^2 .
It is a cyclic number.
It is not a de Polignac number, because 2107069409 - 212 = 2107065313 is a prime.
It is not a weakly prime, because it can be changed into another prime (2107069439) 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, 1053534704 + 1053534705.
It is an arithmetic number, because the mean of its divisors is an integer number (1053534705).
Almost surely, 22107069409 is an apocalyptic number.
It is an amenable number.
2107069409 is a deficient number, since it is larger than the sum of its proper divisors (1).
2107069409 is an equidigital number, since it uses as much as digits as its factorization.
2107069409 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 27216, while the sum is 38.
The square root of 2107069409 is about 45902.8257191210. The cubic root of 2107069409 is about 1282.0145297925.
The spelling of 2107069409 in words is "two billion, one hundred seven million, sixty-nine thousand, four hundred nine".
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