Base | Representation |
---|---|
bin | 11100000011010111… |
… | …101001100001101010 |
3 | 2212202012112200121022 |
4 | 130003113221201222 |
5 | 443142023131442 |
6 | 21500524012442 |
7 | 2114301562232 |
oct | 340327514152 |
9 | 85665480538 |
10 | 30121302122 |
11 | 1185776511a |
12 | 5a07691122 |
13 | 2ac05568c2 |
14 | 165a5c2cc2 |
15 | bb45da3d2 |
hex | 7035e986a |
30121302122 has 16 divisors (see below), whose sum is σ = 45490286400. Its totient is φ = 14957913600.
The previous prime is 30121302119. The next prime is 30121302161. The reversal of 30121302122 is 22120312103.
It is a self number, because there is not a number n which added to its sum of digits gives 30121302122.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 2899754 + ... + 2910122.
It is an arithmetic number, because the mean of its divisors is an integer number (2843142900).
Almost surely, 230121302122 is an apocalyptic number.
30121302122 is a deficient number, since it is larger than the sum of its proper divisors (15368984278).
30121302122 is a wasteful number, since it uses less digits than its factorization.
30121302122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20141.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 30121302122 its reverse (22120312103), we get a palindrome (52241614225).
The spelling of 30121302122 in words is "thirty billion, one hundred twenty-one million, three hundred two thousand, one hundred twenty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •