Base | Representation |
---|---|
bin | 11011111100001000… |
… | …111101011101100111 |
3 | 2212102202022110121122 |
4 | 123330020331131213 |
5 | 442420000323421 |
6 | 21440512204155 |
7 | 2111266613150 |
oct | 337410753547 |
9 | 85382273548 |
10 | 30000011111 |
11 | 117a5251414 |
12 | 5992b3965b |
13 | 2aa139a185 |
14 | 164844c927 |
15 | ba8b2c2ab |
hex | 6fc23d767 |
30000011111 has 32 divisors (see below), whose sum is σ = 35697328128. Its totient is φ = 24679841760.
The previous prime is 30000011059. The next prime is 30000011117. The reversal of 30000011111 is 11111000003.
It is not a de Polignac number, because 30000011111 - 230 = 28926269287 is a prime.
It is a super-3 number, since 3×300000111113 (a number of 32 digits) contains 333 as substring.
30000011111 is a modest number, since divided by 11111 gives 3 as remainder.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30000011117) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4768610 + ... + 4774896.
It is an arithmetic number, because the mean of its divisors is an integer number (1115541504).
Almost surely, 230000011111 is an apocalyptic number.
30000011111 is a deficient number, since it is larger than the sum of its proper divisors (5697317017).
30000011111 is a wasteful number, since it uses less digits than its factorization.
30000011111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6611.
The product of its (nonzero) digits is 3, while the sum is 8.
Adding to 30000011111 its reverse (11111000003), we get a palindrome (41111011114).
The spelling of 30000011111 in words is "thirty billion, eleven thousand, one hundred eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •