Base | Representation |
---|---|
bin | 111001010000… |
… | …0101000110110 |
3 | 2002111002002120 |
4 | 1302200220312 |
5 | 30141034402 |
6 | 2551220410 |
7 | 513102222 |
oct | 162405066 |
9 | 62432076 |
10 | 30018102 |
11 | 15a43054 |
12 | a077706 |
13 | 62b02ba |
14 | 3db5782 |
15 | 297e3bc |
hex | 1ca0a36 |
30018102 has 16 divisors (see below), whose sum is σ = 60119040. Its totient is φ = 9992232.
The previous prime is 30018097. The next prime is 30018127. The reversal of 30018102 is 20181003.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 1899 + ... + 7977.
It is an arithmetic number, because the mean of its divisors is an integer number (3757440).
Almost surely, 230018102 is an apocalyptic number.
30018102 is an abundant number, since it is smaller than the sum of its proper divisors (30100938).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30018102 is a wasteful number, since it uses less digits than its factorization.
30018102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6907.
The product of its (nonzero) digits is 48, while the sum is 15.
The square root of 30018102 is about 5478.8778048064. The cubic root of 30018102 is about 310.7857348325.
Adding to 30018102 its reverse (20181003), we get a palindrome (50199105).
The spelling of 30018102 in words is "thirty million, eighteen thousand, one hundred two".
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