Base | Representation |
---|---|
bin | 11011111100110011… |
… | …010011011001100011 |
3 | 2212110112012101211001 |
4 | 123330303103121203 |
5 | 442430321023021 |
6 | 21441550132431 |
7 | 2111463143320 |
oct | 337463233143 |
9 | 85415171731 |
10 | 30011111011 |
11 | 11800542992 |
12 | 59967b1117 |
13 | 2aa378556b |
14 | 1649adbb47 |
15 | ba9ac1091 |
hex | 6fccd3663 |
30011111011 has 16 divisors (see below), whose sum is σ = 34631400960. Its totient is φ = 25474242240.
The previous prime is 30011111003. The next prime is 30011111017. The reversal of 30011111011 is 11011111003.
It is a cyclic number.
It is not a de Polignac number, because 30011111011 - 23 = 30011111003 is a prime.
It is a super-2 number, since 2×300111110112 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30011111017) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2817666 + ... + 2828296.
It is an arithmetic number, because the mean of its divisors is an integer number (2164462560).
Almost surely, 230011111011 is an apocalyptic number.
30011111011 is a deficient number, since it is larger than the sum of its proper divisors (4620289949).
30011111011 is a wasteful number, since it uses less digits than its factorization.
30011111011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14514.
The product of its (nonzero) digits is 3, while the sum is 10.
Adding to 30011111011 its reverse (11011111003), we get a palindrome (41022222014).
The spelling of 30011111011 in words is "thirty billion, eleven million, one hundred eleven thousand, eleven".
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