Base | Representation |
---|---|
bin | 11100000011010010… |
… | …101110100101100101 |
3 | 2212202010010011001221 |
4 | 130003102232211211 |
5 | 443141210342013 |
6 | 21500440220341 |
7 | 2114254610311 |
oct | 340322564545 |
9 | 85663104057 |
10 | 30120012133 |
11 | 11856a63a12 |
12 | 5a0716a6b1 |
13 | 2ac01c46b3 |
14 | 165a368b41 |
15 | bb443308d |
hex | 7034ae965 |
30120012133 has 8 divisors (see below), whose sum is σ = 30859133760. Its totient is φ = 29389637760.
The previous prime is 30120012119. The next prime is 30120012149. The reversal of 30120012133 is 33121002103.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30120012133 - 25 = 30120012101 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30120012113) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2179843 + ... + 2193616.
It is an arithmetic number, because the mean of its divisors is an integer number (3857391720).
Almost surely, 230120012133 is an apocalyptic number.
It is an amenable number.
30120012133 is a deficient number, since it is larger than the sum of its proper divisors (739121627).
30120012133 is an equidigital number, since it uses as much as digits as its factorization.
30120012133 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4373627.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 30120012133 its reverse (33121002103), we get a palindrome (63241014236).
The spelling of 30120012133 in words is "thirty billion, one hundred twenty million, twelve thousand, one hundred thirty-three".
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