Base | Representation |
---|---|
bin | 11100010100000110… |
… | …111101110010001001 |
3 | 2220110202222210120010 |
4 | 130110012331302021 |
5 | 444230422010241 |
6 | 21544435222133 |
7 | 2124251636346 |
oct | 342406756211 |
9 | 86422883503 |
10 | 30402141321 |
11 | 11991241832 |
12 | 5a85747949 |
13 | 2b367a6246 |
14 | 1685a097cd |
15 | bce0b1d16 |
hex | 7141bdc89 |
30402141321 has 4 divisors (see below), whose sum is σ = 40536188432. Its totient is φ = 20268094212.
The previous prime is 30402141311. The next prime is 30402141323. The reversal of 30402141321 is 12314120403.
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.
It is not a de Polignac number, because 30402141321 - 29 = 30402140809 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30402141323) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5067023551 + ... + 5067023556.
It is an arithmetic number, because the mean of its divisors is an integer number (10134047108).
Almost surely, 230402141321 is an apocalyptic number.
It is an amenable number.
30402141321 is a deficient number, since it is larger than the sum of its proper divisors (10134047111).
30402141321 is a wasteful number, since it uses less digits than its factorization.
30402141321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10134047110.
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 30402141321 its reverse (12314120403), we get a palindrome (42716261724).
The spelling of 30402141321 in words is "thirty billion, four hundred two million, one hundred forty-one thousand, three hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.151 sec. • engine limits •