Base | Representation |
---|---|
bin | 1101101111000000001100… |
… | …00101000101010101000000 |
3 | 10221221022110001110021222111 |
4 | 12313200012011011111000 |
5 | 12424313313334140222 |
6 | 144122430043545104 |
7 | 6235021306243144 |
oct | 667400605052500 |
9 | 127838401407874 |
10 | 30202312021312 |
11 | 9694801844072 |
12 | 34794b122b194 |
13 | 13b10b1752172 |
14 | 765b2a549224 |
15 | 3759711e6777 |
hex | 1b7806145540 |
30202312021312 has 112 divisors (see below), whose sum is σ = 60734044200960. Its totient is φ = 14900406732288.
The previous prime is 30202312021309. The next prime is 30202312021327. The reversal of 30202312021312 is 21312021320203.
It is a congruent number.
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 15 ways as a sum of consecutive naturals, for example, 2194450143 + ... + 2194463905.
Almost surely, 230202312021312 is an apocalyptic number.
30202312021312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30202312021312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30367022100480).
30202312021312 is an abundant number, since it is smaller than the sum of its proper divisors (30531732179648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30202312021312 is a wasteful number, since it uses less digits than its factorization.
30202312021312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15060 (or 15050 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 30202312021312 its reverse (21312021320203), we get a palindrome (51514333341515).
The spelling of 30202312021312 in words is "thirty trillion, two hundred two billion, three hundred twelve million, twenty-one thousand, three hundred twelve".
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