Base | Representation |
---|---|
bin | 11011111100110010… |
… | …111011000010010111 |
3 | 2212110112000022221012 |
4 | 123330302323002113 |
5 | 442430304324343 |
6 | 21441544042435 |
7 | 2111462246354 |
oct | 337462730227 |
9 | 85415008835 |
10 | 30011011223 |
11 | 11800484a16 |
12 | 599676341b |
13 | 2aa374c00b |
14 | 1649ab362b |
15 | ba9aa1718 |
hex | 6fccbb097 |
30011011223 has 4 divisors (see below), whose sum is σ = 30302380368. Its totient is φ = 29719642080.
The previous prime is 30011011103. The next prime is 30011011231. The reversal of 30011011223 is 32211011003.
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 30011011223 - 212 = 30011007127 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30011011198 and 30011011207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30011011273) 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, 145684418 + ... + 145684623.
It is an arithmetic number, because the mean of its divisors is an integer number (7575595092).
Almost surely, 230011011223 is an apocalyptic number.
30011011223 is a deficient number, since it is larger than the sum of its proper divisors (291369145).
30011011223 is a wasteful number, since it uses less digits than its factorization.
30011011223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 291369144.
The product of its (nonzero) digits is 36, while the sum is 14.
Adding to 30011011223 its reverse (32211011003), we get a palindrome (62222022226).
The spelling of 30011011223 in words is "thirty billion, eleven million, eleven thousand, two hundred twenty-three".
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