Base | Representation |
---|---|
bin | 111001011011… |
… | …1110011110001 |
3 | 2002122220021122 |
4 | 1302313303301 |
5 | 30202104014 |
6 | 2553232025 |
7 | 513646013 |
oct | 162676361 |
9 | 62586248 |
10 | 30113009 |
11 | 15aa8393 |
12 | a102615 |
13 | 6314564 |
14 | 3ddc1b3 |
15 | 299c58e |
hex | 1cb7cf1 |
30113009 has 2 divisors, whose sum is σ = 30113010. Its totient is φ = 30113008.
The previous prime is 30112993. The next prime is 30113023. The reversal of 30113009 is 90031103.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 27040000 + 3073009 = 5200^2 + 1753^2 .
It is a cyclic number.
It is not a de Polignac number, because 30113009 - 24 = 30112993 is a prime.
It is a super-2 number, since 2×301130092 = 1813586622068162, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (30113609) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15056504 + 15056505.
It is an arithmetic number, because the mean of its divisors is an integer number (15056505).
Almost surely, 230113009 is an apocalyptic number.
It is an amenable number.
30113009 is a deficient number, since it is larger than the sum of its proper divisors (1).
30113009 is an equidigital number, since it uses as much as digits as its factorization.
30113009 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 81, while the sum is 17.
The square root of 30113009 is about 5487.5321411359. The cubic root of 30113009 is about 311.1129230856.
The spelling of 30113009 in words is "thirty million, one hundred thirteen thousand, nine".
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