Base | Representation |
---|---|
bin | 1101110010001001001010… |
… | …11011010011001011110010 |
3 | 10222022121221210112022010011 |
4 | 12321010211123103023302 |
5 | 12433100303300340310 |
6 | 144244152541325134 |
7 | 6245561212044211 |
oct | 671044533231362 |
9 | 128277853468104 |
10 | 30310212121330 |
11 | 9726541614249 |
12 | 34963a48667aa |
13 | 13bb318b978ab |
14 | 76b0448ab078 |
15 | 378688c9678a |
hex | 1b91256d32f2 |
30310212121330 has 8 divisors (see below), whose sum is σ = 54558381818412. Its totient is φ = 12124084848528.
The previous prime is 30310212121307. The next prime is 30310212121331. The reversal of 30310212121330 is 3312121201303.
It can be written as a sum of positive squares in 2 ways, for example, as 29158520418769 + 1151691702561 = 5399863^2 + 1073169^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (30310212121331) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1515510606057 + ... + 1515510606076.
Almost surely, 230310212121330 is an apocalyptic number.
30310212121330 is a deficient number, since it is larger than the sum of its proper divisors (24248169697082).
30310212121330 is a wasteful number, since it uses less digits than its factorization.
30310212121330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3031021212140.
The product of its (nonzero) digits is 648, while the sum is 22.
Adding to 30310212121330 its reverse (3312121201303), we get a palindrome (33622333322633).
The spelling of 30310212121330 in words is "thirty trillion, three hundred ten billion, two hundred twelve million, one hundred twenty-one thousand, three hundred thirty".
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