Base | Representation |
---|---|
bin | 1100010010101… |
… | …01100111000100 |
3 | 21012000120211221 |
4 | 12021111213010 |
5 | 202344023413 |
6 | 14122010124 |
7 | 2361300322 |
oct | 611254704 |
9 | 235016757 |
10 | 103111108 |
11 | 532269a1 |
12 | 2a646944 |
13 | 184928b9 |
14 | d9a0d12 |
15 | 90bb68d |
hex | 62559c4 |
103111108 has 12 divisors (see below), whose sum is σ = 180517932. Its totient is φ = 51534560.
The previous prime is 103111087. The next prime is 103111109. The reversal of 103111108 is 801111301.
It can be written as a sum of positive squares in 2 ways, for example, as 54641664 + 48469444 = 7392^2 + 6962^2 .
It is a junction number, because it is equal to n+sod(n) for n = 103111091 and 103111100.
It is not an unprimeable number, because it can be changed into a prime (103111109) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12378 + ... + 18958.
It is an arithmetic number, because the mean of its divisors is an integer number (15043161).
Almost surely, 2103111108 is an apocalyptic number.
It is an amenable number.
103111108 is a deficient number, since it is larger than the sum of its proper divisors (77406824).
103111108 is a wasteful number, since it uses less digits than its factorization.
103111108 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10502 (or 10500 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 16.
The square root of 103111108 is about 10154.3639879610. The cubic root of 103111108 is about 468.9233056837.
Adding to 103111108 its reverse (801111301), we get a palindrome (904222409).
The spelling of 103111108 in words is "one hundred three million, one hundred eleven thousand, one hundred eight".
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