Base | Representation |
---|---|
bin | 11100000100011111… |
… | …011100001110011101 |
3 | 2212210111221211122022 |
4 | 130010133130032131 |
5 | 443211332401023 |
6 | 21502435225525 |
7 | 2114620544561 |
oct | 340437341635 |
9 | 85714854568 |
10 | 30140122013 |
11 | 11867349851 |
12 | 5a11a482a5 |
13 | 2ac4415b31 |
14 | 165ccc16a1 |
15 | bb60a67c8 |
hex | 7047dc39d |
30140122013 has 4 divisors (see below), whose sum is σ = 30167749248. Its totient is φ = 30112494780.
The previous prime is 30140121953. The next prime is 30140122043. The reversal of 30140122013 is 31022104103.
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, and also an emirpimes, since its reverse is a distinct semiprime: 31022104103 = 7963 ⋅3895781.
It is a cyclic number.
It is not a de Polignac number, because 30140122013 - 226 = 30073013149 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 30140121982 and 30140122000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30140122043) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13811981 + ... + 13814162.
It is an arithmetic number, because the mean of its divisors is an integer number (7541937312).
Almost surely, 230140122013 is an apocalyptic number.
It is an amenable number.
30140122013 is a deficient number, since it is larger than the sum of its proper divisors (27627235).
30140122013 is a wasteful number, since it uses less digits than its factorization.
30140122013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27627234.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 30140122013 its reverse (31022104103), we get a palindrome (61162226116).
The spelling of 30140122013 in words is "thirty billion, one hundred forty million, one hundred twenty-two thousand, thirteen".
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