Base | Representation |
---|---|
bin | 1101101100101101000010… |
… | …10000100001111110110001 |
3 | 10221122202112100022021220112 |
4 | 12312112201100201332301 |
5 | 12422020020121041423 |
6 | 144022242540151105 |
7 | 6226223505504542 |
oct | 666264120417661 |
9 | 127582470267815 |
10 | 30123311112113 |
11 | 966425189a76a |
12 | 3466123b38495 |
13 | 13a68015c974b |
14 | 761d943624c9 |
15 | 37389a7c9a78 |
hex | 1b65a1421fb1 |
30123311112113 has 4 divisors (see below), whose sum is σ = 30124293285888. Its totient is φ = 30122328938340.
The previous prime is 30123311112109. The next prime is 30123311112121. The reversal of 30123311112113 is 31121111332103.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 30123311112113 - 22 = 30123311112109 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30123311112133) 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, 491040881 + ... + 491102222.
It is an arithmetic number, because the mean of its divisors is an integer number (7531073321472).
Almost surely, 230123311112113 is an apocalyptic number.
It is an amenable number.
30123311112113 is a deficient number, since it is larger than the sum of its proper divisors (982173775).
30123311112113 is an equidigital number, since it uses as much as digits as its factorization.
30123311112113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 982173774.
The product of its (nonzero) digits is 324, while the sum is 23.
Adding to 30123311112113 its reverse (31121111332103), we get a palindrome (61244422444216).
The spelling of 30123311112113 in words is "thirty trillion, one hundred twenty-three billion, three hundred eleven million, one hundred twelve thousand, one hundred thirteen".
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