Base | Representation |
---|---|
bin | 11100101101101000… |
… | …110111111111001111 |
3 | 2221120121221200112110 |
4 | 130231220313333033 |
5 | 1001120044222004 |
6 | 22055135435103 |
7 | 2141002410411 |
oct | 345550677717 |
9 | 87517850473 |
10 | 30830460879 |
11 | 12090a9a639 |
12 | 5b85085a93 |
13 | 2ba445197a |
14 | 16c68629b1 |
15 | c069bb589 |
hex | 72da37fcf |
30830460879 has 4 divisors (see below), whose sum is σ = 41107281176. Its totient is φ = 20553640584.
The previous prime is 30830460841. The next prime is 30830460887. The reversal of 30830460879 is 97806403803.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 30830460879 - 217 = 30830329807 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 (30830460809) 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, 5138410144 + ... + 5138410149.
It is an arithmetic number, because the mean of its divisors is an integer number (10276820294).
Almost surely, 230830460879 is an apocalyptic number.
30830460879 is a deficient number, since it is larger than the sum of its proper divisors (10276820297).
30830460879 is a wasteful number, since it uses less digits than its factorization.
30830460879 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10276820296.
The product of its (nonzero) digits is 870912, while the sum is 48.
The spelling of 30830460879 in words is "thirty billion, eight hundred thirty million, four hundred sixty thousand, eight hundred seventy-nine".
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