Base | Representation |
---|---|
bin | 111110110010110… |
… | …1001000110100110 |
3 | 12102211201200122011 |
4 | 1331211221012212 |
5 | 13303344112221 |
6 | 545024424434 |
7 | 103133241352 |
oct | 17545510646 |
9 | 5384650564 |
10 | 2107019686 |
11 | 9913a3092 |
12 | 4a977811a |
13 | 2776a8015 |
14 | 15db96462 |
15 | c4ea21e1 |
hex | 7d9691a6 |
2107019686 has 12 divisors (see below), whose sum is σ = 3248262108. Its totient is φ = 1025035272.
The previous prime is 2107019683. The next prime is 2107019693. The reversal of 2107019686 is 6869107012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2107019683) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 382036 + ... + 387511.
It is an arithmetic number, because the mean of its divisors is an integer number (270688509).
Almost surely, 22107019686 is an apocalyptic number.
2107019686 is a deficient number, since it is larger than the sum of its proper divisors (1141242422).
2107019686 is an equidigital number, since it uses as much as digits as its factorization.
2107019686 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 769623 (or 769586 counting only the distinct ones).
The product of its (nonzero) digits is 36288, while the sum is 40.
The square root of 2107019686 is about 45902.2841043885. The cubic root of 2107019686 is about 1282.0044453106.
The spelling of 2107019686 in words is "two billion, one hundred seven million, nineteen thousand, six hundred eighty-six".
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