Base | Representation |
---|---|
bin | 11100001110110100… |
… | …100110110000011010 |
3 | 2220020121002102102022 |
4 | 130032310212300122 |
5 | 444040220123310 |
6 | 21531550134442 |
7 | 2122124002613 |
oct | 341664466032 |
9 | 86217072368 |
10 | 30313442330 |
11 | 11946169986 |
12 | 5a5bab1422 |
13 | 2b212bb532 |
14 | 1677d1ac0a |
15 | bc63e0a55 |
hex | 70ed26c1a |
30313442330 has 32 divisors (see below), whose sum is σ = 54927450000. Its totient is φ = 12044777472.
The previous prime is 30313442323. The next prime is 30313442333. The reversal of 30313442330 is 3324431303.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 9491240929 + 20822201401 = 97423^2 + 144299^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 30313442330.
It is not an unprimeable number, because it can be changed into a prime (30313442333) 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 15 ways as a sum of consecutive naturals, for example, 2153756 + ... + 2167784.
Almost surely, 230313442330 is an apocalyptic number.
30313442330 is a deficient number, since it is larger than the sum of its proper divisors (24614007670).
30313442330 is a wasteful number, since it uses less digits than its factorization.
30313442330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15458.
The product of its (nonzero) digits is 7776, while the sum is 26.
Adding to 30313442330 its reverse (3324431303), we get a palindrome (33637873633).
The spelling of 30313442330 in words is "thirty billion, three hundred thirteen million, four hundred forty-two thousand, three hundred thirty".
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