Base | Representation |
---|---|
bin | 111110110110010… |
… | …0101100010110011 |
3 | 12102222011011210110 |
4 | 1331230211202303 |
5 | 13304330340430 |
6 | 545131432403 |
7 | 103154562624 |
oct | 17554454263 |
9 | 5388134713 |
10 | 2108840115 |
11 | 992426878 |
12 | 4aa2b5703 |
13 | 277b947b5 |
14 | 16010ba4b |
15 | c52117b0 |
hex | 7db258b3 |
2108840115 has 16 divisors (see below), whose sum is σ = 3551731200. Its totient is φ = 1065519072.
The previous prime is 2108840093. The next prime is 2108840119. The reversal of 2108840115 is 5110488012.
It is a happy number.
It is not a de Polignac number, because 2108840115 - 26 = 2108840051 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2108840119) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3699435 + ... + 3700004.
It is an arithmetic number, because the mean of its divisors is an integer number (221983200).
Almost surely, 22108840115 is an apocalyptic number.
2108840115 is a deficient number, since it is larger than the sum of its proper divisors (1442891085).
2108840115 is a wasteful number, since it uses less digits than its factorization.
2108840115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7399466.
The product of its (nonzero) digits is 2560, while the sum is 30.
The square root of 2108840115 is about 45922.1092176742. The cubic root of 2108840115 is about 1282.3735490084.
The spelling of 2108840115 in words is "two billion, one hundred eight million, eight hundred forty thousand, one hundred fifteen".
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