Base | Representation |
---|---|
bin | 11100001001011100… |
… | …000100001101101111 |
3 | 2220000022010202000110 |
4 | 130021130010031233 |
5 | 443344104421221 |
6 | 21515002231103 |
7 | 2116646211063 |
oct | 341134041557 |
9 | 86008122013 |
10 | 30223123311 |
11 | 118aa18a967 |
12 | 5a357b5493 |
13 | 2b08687324 |
14 | 1669d29aa3 |
15 | bbd4ee776 |
hex | 70970436f |
30223123311 has 16 divisors (see below), whose sum is σ = 42802560864. Its totient is φ = 18903696384.
The previous prime is 30223123283. The next prime is 30223123321. The reversal of 30223123311 is 11332132203.
It is not a de Polignac number, because 30223123311 - 25 = 30223123279 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30223123321) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 918550 + ... + 950883.
It is an arithmetic number, because the mean of its divisors is an integer number (2675160054).
Almost surely, 230223123311 is an apocalyptic number.
30223123311 is a deficient number, since it is larger than the sum of its proper divisors (12579437553).
30223123311 is a wasteful number, since it uses less digits than its factorization.
30223123311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1869770.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 30223123311 its reverse (11332132203), we get a palindrome (41555255514).
The spelling of 30223123311 in words is "thirty billion, two hundred twenty-three million, one hundred twenty-three thousand, three hundred eleven".
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