Base | Representation |
---|---|
bin | 11100010101001111… |
… | …010100111010101010 |
3 | 2220112002200112022011 |
4 | 130111033110322222 |
5 | 444300301013232 |
6 | 21550353550134 |
7 | 2124602113042 |
oct | 342517247252 |
9 | 86462615264 |
10 | 30421110442 |
11 | 119a0a18598 |
12 | 5a8bb7534a |
13 | 2b3a6b8388 |
14 | 1688346722 |
15 | bd0aac547 |
hex | 7153d4eaa |
30421110442 has 8 divisors (see below), whose sum is σ = 45632650500. Its totient is φ = 15210226944.
The previous prime is 30421110431. The next prime is 30421110487. The reversal of 30421110442 is 24401112403.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 30105373081 + 315737361 = 173509^2 + 17769^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×304211104422 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
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, 24567 + ... + 247882.
Almost surely, 230421110442 is an apocalyptic number.
30421110442 is a deficient number, since it is larger than the sum of its proper divisors (15211540058).
30421110442 is a wasteful number, since it uses less digits than its factorization.
30421110442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 328280.
The product of its (nonzero) digits is 768, while the sum is 22.
Adding to 30421110442 its reverse (24401112403), we get a palindrome (54822222845).
The spelling of 30421110442 in words is "thirty billion, four hundred twenty-one million, one hundred ten thousand, four hundred forty-two".
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