Base | Representation |
---|---|
bin | 11100000011010010… |
… | …101110110100101111 |
3 | 2212202010010012101212 |
4 | 130003102232310233 |
5 | 443141210404403 |
6 | 21500440225035 |
7 | 2114254613165 |
oct | 340322566457 |
9 | 85663105355 |
10 | 30120013103 |
11 | 11856a64714 |
12 | 5a0716b17b |
13 | 2ac01c4c7b |
14 | 165a369235 |
15 | bb44334d8 |
hex | 7034aed2f |
30120013103 has 8 divisors (see below), whose sum is σ = 31138219728. Its totient is φ = 29116249344.
The previous prime is 30120013097. The next prime is 30120013117. The reversal of 30120013103 is 30131002103.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30120013103 - 210 = 30120012079 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 (30120013153) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3606476 + ... + 3614817.
It is an arithmetic number, because the mean of its divisors is an integer number (3892277466).
Almost surely, 230120013103 is an apocalyptic number.
30120013103 is a deficient number, since it is larger than the sum of its proper divisors (1018206625).
30120013103 is an equidigital number, since it uses as much as digits as its factorization.
30120013103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7221433.
The product of its (nonzero) digits is 54, while the sum is 14.
Adding to 30120013103 its reverse (30131002103), we get a palindrome (60251015206).
The spelling of 30120013103 in words is "thirty billion, one hundred twenty million, thirteen thousand, one hundred three".
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