Base | Representation |
---|---|
bin | 1011011110101110… |
… | …1101100000011011 |
3 | 21221202202000201220 |
4 | 2313223231200123 |
5 | 22302403022430 |
6 | 1225443143123 |
7 | 136236632241 |
oct | 26753554033 |
9 | 7852660656 |
10 | 3081689115 |
11 | 134159570a |
12 | 720074aa3 |
13 | 3a15b66ab |
14 | 2133cc791 |
15 | 13082d110 |
hex | b7aed81b |
3081689115 has 16 divisors (see below), whose sum is σ = 5063965728. Its totient is φ = 1599146496.
The previous prime is 3081689111. The next prime is 3081689119. The reversal of 3081689115 is 5119861803.
It is an interprime number because it is at equal distance from previous prime (3081689111) and next prime (3081689119).
It is not a de Polignac number, because 3081689115 - 22 = 3081689111 is a prime.
It is not an unprimeable number, because it can be changed into a prime (3081689111) 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 in 15 ways as a sum of consecutive naturals, for example, 2775742 + ... + 2776851.
It is an arithmetic number, because the mean of its divisors is an integer number (316497858).
Almost surely, 23081689115 is an apocalyptic number.
3081689115 is a deficient number, since it is larger than the sum of its proper divisors (1982276613).
3081689115 is a wasteful number, since it uses less digits than its factorization.
3081689115 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5552638.
The product of its (nonzero) digits is 51840, while the sum is 42.
The square root of 3081689115 is about 55512.9634860183. The cubic root of 3081689115 is about 1455.2231941118.
The spelling of 3081689115 in words is "three billion, eighty-one million, six hundred eighty-nine thousand, one hundred fifteen".
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