Base | Representation |
---|---|
bin | 111001011111… |
… | …1001010001001 |
3 | 2002201102120121 |
4 | 1302333022021 |
5 | 30204034423 |
6 | 2554023241 |
7 | 514132540 |
oct | 162771211 |
9 | 62642517 |
10 | 30143113 |
11 | 16018a70 |
12 | a117b21 |
13 | 6325180 |
14 | 4009157 |
15 | 29a645d |
hex | 1cbf289 |
30143113 has 16 divisors (see below), whose sum is σ = 40473216. Its totient is φ = 21680640.
The previous prime is 30143111. The next prime is 30143117. The reversal of 30143113 is 31134103.
It is a cyclic number.
It is not a de Polignac number, because 30143113 - 21 = 30143111 is a prime.
It is a super-2 number, since 2×301431132 = 1817214522661538, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30143111) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14056 + ... + 16057.
It is an arithmetic number, because the mean of its divisors is an integer number (2529576).
Almost surely, 230143113 is an apocalyptic number.
It is an amenable number.
30143113 is a deficient number, since it is larger than the sum of its proper divisors (10330103).
30143113 is a wasteful number, since it uses less digits than its factorization.
30143113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30144.
The product of its (nonzero) digits is 108, while the sum is 16.
The square root of 30143113 is about 5490.2744011570. The cubic root of 30143113 is about 311.2165618395.
Adding to 30143113 its reverse (31134103), we get a palindrome (61277216).
The spelling of 30143113 in words is "thirty million, one hundred forty-three thousand, one hundred thirteen".
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