Base | Representation |
---|---|
bin | 11100000100011011… |
… | …001111111010000111 |
3 | 2212210102220000001111 |
4 | 130010123033322013 |
5 | 443211042213413 |
6 | 21502355505451 |
7 | 2114605316446 |
oct | 340433177207 |
9 | 85712800044 |
10 | 30139022983 |
11 | 11866769063 |
12 | 5a115b8287 |
13 | 2ac411c814 |
14 | 165cab6d5d |
15 | bb5e3ad3d |
hex | 7046cfe87 |
30139022983 has 4 divisors (see below), whose sum is σ = 30707683848. Its totient is φ = 29570362120.
The previous prime is 30139022981. The next prime is 30139022987. The reversal of 30139022983 is 38922093103.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38922093103 = 37813 ⋅1029331.
It is a cyclic number.
It is not a de Polignac number, because 30139022983 - 21 = 30139022981 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 (30139022981) 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, 284330353 + ... + 284330458.
It is an arithmetic number, because the mean of its divisors is an integer number (7676920962).
Almost surely, 230139022983 is an apocalyptic number.
30139022983 is a deficient number, since it is larger than the sum of its proper divisors (568660865).
30139022983 is an equidigital number, since it uses as much as digits as its factorization.
30139022983 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 568660864.
The product of its (nonzero) digits is 69984, while the sum is 40.
The spelling of 30139022983 in words is "thirty billion, one hundred thirty-nine million, twenty-two thousand, nine hundred eighty-three".
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