Base | Representation |
---|---|
bin | 11100010000100101… |
… | …100001010001001001 |
3 | 2220022122210020200212 |
4 | 130100211201101021 |
5 | 444120304321441 |
6 | 21534524410505 |
7 | 2122633413440 |
oct | 342045412111 |
9 | 86278706625 |
10 | 30343042121 |
11 | 11960946717 |
12 | 5a699a6a35 |
13 | 2b274832c2 |
14 | 167bc23d57 |
15 | bc8cdaeeb |
hex | 710961449 |
30343042121 has 8 divisors (see below), whose sum is σ = 34885415040. Its totient is φ = 25852582368.
The previous prime is 30343042117. The next prime is 30343042129. The reversal of 30343042121 is 12124034303.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30343042121 - 22 = 30343042117 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30343042129) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12977036 + ... + 12979373.
It is an arithmetic number, because the mean of its divisors is an integer number (4360676880).
Almost surely, 230343042121 is an apocalyptic number.
It is an amenable number.
30343042121 is a deficient number, since it is larger than the sum of its proper divisors (4542372919).
30343042121 is a wasteful number, since it uses less digits than its factorization.
30343042121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25956583.
The product of its (nonzero) digits is 1728, while the sum is 23.
Adding to 30343042121 its reverse (12124034303), we get a palindrome (42467076424).
The spelling of 30343042121 in words is "thirty billion, three hundred forty-three million, forty-two thousand, one hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •