Base | Representation |
---|---|
bin | 111110110010001… |
… | …1110110000011001 |
3 | 12102211011012220110 |
4 | 1331210132300121 |
5 | 13303304341121 |
6 | 545014114533 |
7 | 103130532465 |
oct | 17544366031 |
9 | 5384135813 |
10 | 2106715161 |
11 | 991205311 |
12 | 4a964ba49 |
13 | 2775cc525 |
14 | 15db174a5 |
15 | c4e41d76 |
hex | 7d91ec19 |
2106715161 has 16 divisors (see below), whose sum is σ = 2863070784. Its totient is φ = 1377675264.
The previous prime is 2106715159. The next prime is 2106715181. The reversal of 2106715161 is 1615176012.
It is not a de Polignac number, because 2106715161 - 21 = 2106715159 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2106715151) 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 15 ways as a sum of consecutive naturals, for example, 850 + ... + 64916.
It is an arithmetic number, because the mean of its divisors is an integer number (178941924).
Almost surely, 22106715161 is an apocalyptic number.
It is an amenable number.
2106715161 is a deficient number, since it is larger than the sum of its proper divisors (756355623).
2106715161 is a wasteful number, since it uses less digits than its factorization.
2106715161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 64280.
The product of its (nonzero) digits is 2520, while the sum is 30.
The square root of 2106715161 is about 45898.9668837982. The cubic root of 2106715161 is about 1281.9426801523.
The spelling of 2106715161 in words is "two billion, one hundred six million, seven hundred fifteen thousand, one hundred sixty-one".
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