Base | Representation |
---|---|
bin | 111001011100… |
… | …1110010100100 |
3 | 2002200022102012 |
4 | 1302321302210 |
5 | 30202333444 |
6 | 2553333352 |
7 | 514011455 |
oct | 162716244 |
9 | 62608365 |
10 | 30121124 |
11 | 160034a0 |
12 | a107258 |
13 | 6318167 |
14 | 400112c |
15 | 299eb9e |
hex | 1cb9ca4 |
30121124 has 24 divisors (see below), whose sum is σ = 57818208. Its totient is φ = 13616640.
The previous prime is 30121097. The next prime is 30121151. The reversal of 30121124 is 42112103.
It is an interprime number because it is at equal distance from previous prime (30121097) and next prime (30121151).
It is a super-2 number, since 2×301211242 = 1814564222046752, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30121099 and 30121108.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6719 + ... + 10265.
It is an arithmetic number, because the mean of its divisors is an integer number (2409092).
Almost surely, 230121124 is an apocalyptic number.
It is an amenable number.
30121124 is a deficient number, since it is larger than the sum of its proper divisors (27697084).
30121124 is a wasteful number, since it uses less digits than its factorization.
30121124 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3755 (or 3753 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 30121124 is about 5488.2714947422. The cubic root of 30121124 is about 311.1408673164.
Adding to 30121124 its reverse (42112103), we get a palindrome (72233227).
The spelling of 30121124 in words is "thirty million, one hundred twenty-one thousand, one hundred twenty-four".
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