Base | Representation |
---|---|
bin | 11100001111111000… |
… | …011001010111110110 |
3 | 2220021211112021121110 |
4 | 130033320121113312 |
5 | 444104242311202 |
6 | 21533423055450 |
7 | 2122431026205 |
oct | 341770312766 |
9 | 86254467543 |
10 | 30331213302 |
11 | 119551a7535 |
12 | 5a65a41586 |
13 | 2b24ba11c0 |
14 | 167a42523c |
15 | bc7c5126c |
hex | 70fe195f6 |
30331213302 has 16 divisors (see below), whose sum is σ = 65328767280. Its totient is φ = 9332680992.
The previous prime is 30331213271. The next prime is 30331213307. The reversal of 30331213302 is 20331213303.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30331213307) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194430777 + ... + 194430932.
It is an arithmetic number, because the mean of its divisors is an integer number (4083047955).
Almost surely, 230331213302 is an apocalyptic number.
30331213302 is an abundant number, since it is smaller than the sum of its proper divisors (34997553978).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30331213302 is a wasteful number, since it uses less digits than its factorization.
30331213302 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 388861727.
The product of its (nonzero) digits is 972, while the sum is 21.
Adding to 30331213302 its reverse (20331213303), we get a palindrome (50662426605).
Subtracting from 30331213302 its reverse (20331213303), we obtain a palindrome (9999999999).
The spelling of 30331213302 in words is "thirty billion, three hundred thirty-one million, two hundred thirteen thousand, three hundred two".
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