Base | Representation |
---|---|
bin | 11011111101011001… |
… | …011010111001110111 |
3 | 2212111020000001112222 |
4 | 123331121122321313 |
5 | 442440400300343 |
6 | 21442544232555 |
7 | 2111644111166 |
oct | 337531327167 |
9 | 85436001488 |
10 | 30021103223 |
11 | 11806148211 |
12 | 599a00b75b |
13 | 2aa5873707 |
14 | 164b17d3dd |
15 | baa8e6a68 |
hex | 6fd65ae77 |
30021103223 has 4 divisors (see below), whose sum is σ = 30083778240. Its totient is φ = 29958428208.
The previous prime is 30021103201. The next prime is 30021103261. The reversal of 30021103223 is 32230112003.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30021103223 - 216 = 30021037687 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 (30021163223) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31336790 + ... + 31337747.
It is an arithmetic number, because the mean of its divisors is an integer number (7520944560).
Almost surely, 230021103223 is an apocalyptic number.
30021103223 is a deficient number, since it is larger than the sum of its proper divisors (62675017).
30021103223 is an equidigital number, since it uses as much as digits as its factorization.
30021103223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62675016.
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 30021103223 its reverse (32230112003), we get a palindrome (62251215226).
The spelling of 30021103223 in words is "thirty billion, twenty-one million, one hundred three thousand, two hundred twenty-three".
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