Base | Representation |
---|---|
bin | 111110100111011… |
… | …0010110101000100 |
3 | 12102102110101121210 |
4 | 1331032302311010 |
5 | 13300330431322 |
6 | 544252211420 |
7 | 103031314341 |
oct | 17516626504 |
9 | 5372411553 |
10 | 2101030212 |
11 | 988a82106 |
12 | 4a7769b70 |
13 | 27638ba58 |
14 | 15d0777c8 |
15 | c46bc70c |
hex | 7d3b2d44 |
2101030212 has 12 divisors (see below), whose sum is σ = 4902403856. Its totient is φ = 700343400.
The previous prime is 2101030147. The next prime is 2101030213. The reversal of 2101030212 is 2120301012.
It is a tau number, because it is divible by the number of its divisors (12).
It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 175085851 = 2101030212 / (2 + 1 + 0 + 1 + 0 + 3 + 0 + 2 + 1 + 2).
It is not an unprimeable number, because it can be changed into a prime (2101030213) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 87542914 + ... + 87542937.
Almost surely, 22101030212 is an apocalyptic number.
It is an amenable number.
2101030212 is an abundant number, since it is smaller than the sum of its proper divisors (2801373644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2101030212 is a wasteful number, since it uses less digits than its factorization.
2101030212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 175085858 (or 175085856 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 2101030212 is about 45836.9961057659. The cubic root of 2101030212 is about 1280.7885383759.
Adding to 2101030212 its reverse (2120301012), we get a palindrome (4221331224).
The spelling of 2101030212 in words is "two billion, one hundred one million, thirty thousand, two hundred twelve".
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