Base | Representation |
---|---|
bin | 10010100010110… |
… | …000111010010010 |
3 | 210200101200020212 |
4 | 102202300322102 |
5 | 1114120244442 |
6 | 50512004122 |
7 | 10465222121 |
oct | 2242607222 |
9 | 720350225 |
10 | 311103122 |
11 | 14a678420 |
12 | 88230642 |
13 | 4c5b77b5 |
14 | 2d463ab8 |
15 | 1c4a3a82 |
hex | 128b0e92 |
311103122 has 16 divisors (see below), whose sum is σ = 510966144. Its totient is φ = 140886000.
The previous prime is 311103109. The next prime is 311103161. The reversal of 311103122 is 221301113.
It is a junction number, because it is equal to n+sod(n) for n = 311103097 and 311103106.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20129 + ... + 32052.
It is an arithmetic number, because the mean of its divisors is an integer number (31935384).
Almost surely, 2311103122 is an apocalyptic number.
311103122 is a deficient number, since it is larger than the sum of its proper divisors (199863022).
311103122 is a wasteful number, since it uses less digits than its factorization.
311103122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52465.
The product of its (nonzero) digits is 36, while the sum is 14.
The square root of 311103122 is about 17638.1156022972. The cubic root of 311103122 is about 677.5917710864.
Adding to 311103122 its reverse (221301113), we get a palindrome (532404235).
The spelling of 311103122 in words is "three hundred eleven million, one hundred three thousand, one hundred twenty-two".
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