Base | Representation |
---|---|
bin | 11100100001101100… |
… | …101011001011010110 |
3 | 2221001122222211202201 |
4 | 130201230223023112 |
5 | 1000212303133030 |
6 | 22023221555114 |
7 | 2133020545456 |
oct | 344154531326 |
9 | 87048884681 |
10 | 30630130390 |
11 | 11a98a01352 |
12 | 5b29b75a9a |
13 | 2b71ab0112 |
14 | 16a7dd5d66 |
15 | be40e92ca |
hex | 721b2b2d6 |
30630130390 has 16 divisors (see below), whose sum is σ = 55148338080. Its totient is φ = 12248918080.
The previous prime is 30630130379. The next prime is 30630130403. The reversal of 30630130390 is 9303103603.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350506 + ... + 429085.
It is an arithmetic number, because the mean of its divisors is an integer number (3446771130).
Almost surely, 230630130390 is an apocalyptic number.
30630130390 is a deficient number, since it is larger than the sum of its proper divisors (24518207690).
30630130390 is a wasteful number, since it uses less digits than its factorization.
30630130390 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 783527.
The product of its (nonzero) digits is 4374, while the sum is 28.
Adding to 30630130390 its reverse (9303103603), we get a palindrome (39933233993).
The spelling of 30630130390 in words is "thirty billion, six hundred thirty million, one hundred thirty thousand, three hundred ninety".
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