Base | Representation |
---|---|
bin | 10010100010110… |
… | …000111010000010 |
3 | 210200101200020021 |
4 | 102202300322002 |
5 | 1114120244411 |
6 | 50512004054 |
7 | 10465222066 |
oct | 2242607202 |
9 | 720350207 |
10 | 311103106 |
11 | 14a678406 |
12 | 8823062a |
13 | 4c5b77a2 |
14 | 2d463aa6 |
15 | 1c4a3a71 |
hex | 128b0e82 |
311103106 has 32 divisors (see below), whose sum is σ = 501811200. Its totient is φ = 144315600.
The previous prime is 311103101. The next prime is 311103109. The reversal of 311103106 is 601301113.
It is a self number, because there is not a number n which added to its sum of digits gives 311103106.
It is not an unprimeable number, because it can be changed into a prime (311103101) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213681 + ... + 215131.
It is an arithmetic number, because the mean of its divisors is an integer number (15681600).
Almost surely, 2311103106 is an apocalyptic number.
311103106 is a deficient number, since it is larger than the sum of its proper divisors (190708094).
311103106 is a wasteful number, since it uses less digits than its factorization.
311103106 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1614.
The product of its (nonzero) digits is 54, while the sum is 16.
The square root of 311103106 is about 17638.1151487340. The cubic root of 311103106 is about 677.5917594702.
Adding to 311103106 its reverse (601301113), we get a palindrome (912404219).
The spelling of 311103106 in words is "three hundred eleven million, one hundred three thousand, one hundred six".
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