Base | Representation |
---|---|
bin | 11100010101100011… |
… | …110111001011110011 |
3 | 2220112110211000201110 |
4 | 130111203313023303 |
5 | 444303140244213 |
6 | 21551105204403 |
7 | 2124665633445 |
oct | 342543671363 |
9 | 86473730643 |
10 | 30426493683 |
11 | 119a3a65053 |
12 | 5a91930703 |
13 | 2b3b851721 |
14 | 1688d48495 |
15 | bd12c25c3 |
hex | 7158f72f3 |
30426493683 has 4 divisors (see below), whose sum is σ = 40568658248. Its totient is φ = 20284329120.
The previous prime is 30426493661. The next prime is 30426493687. The reversal of 30426493683 is 38639462403.
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: 38639462403 = 3 ⋅12879820801.
It is not a de Polignac number, because 30426493683 - 29 = 30426493171 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30426493687) 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, 5071082278 + ... + 5071082283.
It is an arithmetic number, because the mean of its divisors is an integer number (10142164562).
Almost surely, 230426493683 is an apocalyptic number.
30426493683 is a deficient number, since it is larger than the sum of its proper divisors (10142164565).
30426493683 is a wasteful number, since it uses less digits than its factorization.
30426493683 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10142164564.
The product of its (nonzero) digits is 2239488, while the sum is 48.
The spelling of 30426493683 in words is "thirty billion, four hundred twenty-six million, four hundred ninety-three thousand, six hundred eighty-three".
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