Base | Representation |
---|---|
bin | 11100001111111000… |
… | …110110100111110111 |
3 | 2220021211202100221211 |
4 | 130033320312213313 |
5 | 444104310124421 |
6 | 21533425422251 |
7 | 2122432035412 |
oct | 341770664767 |
9 | 86254670854 |
10 | 30331333111 |
11 | 11955279552 |
12 | 5a65a9a987 |
13 | 2b24c138b1 |
14 | 167a456b79 |
15 | bc7c769e1 |
hex | 70fe369f7 |
30331333111 has 4 divisors (see below), whose sum is σ = 30976680672. Its totient is φ = 29685985552.
The previous prime is 30331333103. The next prime is 30331333159. The reversal of 30331333111 is 11133313303.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11133313303 = 7 ⋅1590473329.
It is a cyclic number.
It is not a de Polignac number, because 30331333111 - 23 = 30331333103 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 (30331343111) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322673710 + ... + 322673803.
It is an arithmetic number, because the mean of its divisors is an integer number (7744170168).
Almost surely, 230331333111 is an apocalyptic number.
30331333111 is a deficient number, since it is larger than the sum of its proper divisors (645347561).
30331333111 is an equidigital number, since it uses as much as digits as its factorization.
30331333111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 645347560.
The product of its (nonzero) digits is 729, while the sum is 22.
Adding to 30331333111 its reverse (11133313303), we get a palindrome (41464646414).
The spelling of 30331333111 in words is "thirty billion, three hundred thirty-one million, three hundred thirty-three thousand, one hundred eleven".
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