Base | Representation |
---|---|
bin | 111001001111… |
… | …1001011011010 |
3 | 2002110202220002 |
4 | 1302133023122 |
5 | 30140341442 |
6 | 2551133002 |
7 | 513045620 |
oct | 162371332 |
9 | 62422802 |
10 | 30012122 |
11 | 15a39608 |
12 | a074162 |
13 | 62aa66a |
14 | 3db3510 |
15 | 297c732 |
hex | 1c9f2da |
30012122 has 32 divisors (see below), whose sum is σ = 52925184. Its totient is φ = 12499200.
The previous prime is 30012107. The next prime is 30012139. The reversal of 30012122 is 22121003.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96347 + ... + 96657.
It is an arithmetic number, because the mean of its divisors is an integer number (1653912).
Almost surely, 230012122 is an apocalyptic number.
30012122 is a deficient number, since it is larger than the sum of its proper divisors (22913062).
30012122 is a wasteful number, since it uses less digits than its factorization.
30012122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 494.
The product of its (nonzero) digits is 24, while the sum is 11.
The square root of 30012122 is about 5478.3320454313. The cubic root of 30012122 is about 310.7650959292.
Adding to 30012122 its reverse (22121003), we get a palindrome (52133125).
The spelling of 30012122 in words is "thirty million, twelve thousand, one hundred twenty-two".
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