Base | Representation |
---|---|
bin | 111001011010… |
… | …0101010001111 |
3 | 2002122020120221 |
4 | 1302310222033 |
5 | 30201200421 |
6 | 2553052211 |
7 | 513563266 |
oct | 162645217 |
9 | 62566527 |
10 | 30100111 |
11 | 15a99728 |
12 | a0b7067 |
13 | 630b722 |
14 | 3dd75dd |
15 | 2998841 |
hex | 1cb4a8f |
30100111 has 2 divisors, whose sum is σ = 30100112. Its totient is φ = 30100110.
The previous prime is 30100079. The next prime is 30100141. The reversal of 30100111 is 11100103.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 30100111 - 25 = 30100079 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30100094 and 30100103.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (30100141) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15050055 + 15050056.
It is an arithmetic number, because the mean of its divisors is an integer number (15050056).
Almost surely, 230100111 is an apocalyptic number.
30100111 is a deficient number, since it is larger than the sum of its proper divisors (1).
30100111 is an equidigital number, since it uses as much as digits as its factorization.
30100111 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3, while the sum is 7.
The square root of 30100111 is about 5486.3568057501. The cubic root of 30100111 is about 311.0684981271.
Adding to 30100111 its reverse (11100103), we get a palindrome (41200214).
The spelling of 30100111 in words is "thirty million, one hundred thousand, one hundred eleven".
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