Base | Representation |
---|---|
bin | 1011111100100… |
… | …01110100111110 |
3 | 20222120022001200 |
4 | 11332101310332 |
5 | 201123241110 |
6 | 13535520330 |
7 | 2324534232 |
oct | 576216476 |
9 | 228508050 |
10 | 100212030 |
11 | 51626866 |
12 | 296890a6 |
13 | 179b9179 |
14 | d4485c2 |
15 | 8be76c0 |
hex | 5f91d3e |
100212030 has 48 divisors (see below), whose sum is σ = 261172080. Its totient is φ = 26659584.
The previous prime is 100211981. The next prime is 100212043. The reversal of 100212030 is 30212001.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46006 + ... + 48134.
It is an arithmetic number, because the mean of its divisors is an integer number (5441085).
Almost surely, 2100212030 is an apocalyptic number.
100212030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
100212030 is an abundant number, since it is smaller than the sum of its proper divisors (160960050).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
100212030 is a wasteful number, since it uses less digits than its factorization.
100212030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2665 (or 2662 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 9.
The square root of 100212030 is about 10010.5958863596. The cubic root of 100212030 is about 464.4867038046.
Adding to 100212030 its reverse (30212001), we get a palindrome (130424031).
The spelling of 100212030 in words is "one hundred million, two hundred twelve thousand, thirty".
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