Base | Representation |
---|---|
bin | 11100000011010111… |
… | …110000011000100010 |
3 | 2212202012121010010121 |
4 | 130003113300120202 |
5 | 443142030031320 |
6 | 21500524350454 |
7 | 2114302040146 |
oct | 340327603042 |
9 | 85665533117 |
10 | 30121330210 |
11 | 11857784234 |
12 | 5a076a542a |
13 | 2ac056661a |
14 | 165a5cd226 |
15 | bb45e38aa |
hex | 7035f0622 |
30121330210 has 16 divisors (see below), whose sum is σ = 54226596600. Its totient is φ = 12046709376.
The previous prime is 30121330207. The next prime is 30121330237. The reversal of 30121330210 is 1203312103.
It can be written as a sum of positive squares in 4 ways, for example, as 24824838481 + 5296491729 = 157559^2 + 72777^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157395 + ... + 291574.
Almost surely, 230121330210 is an apocalyptic number.
30121330210 is a deficient number, since it is larger than the sum of its proper divisors (24105266390).
30121330210 is a wasteful number, since it uses less digits than its factorization.
30121330210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 455685.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 30121330210 its reverse (1203312103), we get a palindrome (31324642313).
The spelling of 30121330210 in words is "thirty billion, one hundred twenty-one million, three hundred thirty thousand, two hundred ten".
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