Base | Representation |
---|---|
bin | 1101101110111111101010… |
… | …11001010110111000101110 |
3 | 10221221021201112210000021120 |
4 | 12313133311121112320232 |
5 | 12424312230210422223 |
6 | 144122342204441410 |
7 | 6235011340166310 |
oct | 667376531267056 |
9 | 127837645700246 |
10 | 30202032123438 |
11 | 969467884a70a |
12 | 3479433549266 |
13 | 13b1068772116 |
14 | 765b012c97b0 |
15 | 375956858be3 |
hex | 1b77f5656e2e |
30202032123438 has 32 divisors (see below), whose sum is σ = 69033379317504. Its totient is φ = 8629131655872.
The previous prime is 30202032123437. The next prime is 30202032123451. The reversal of 30202032123438 is 83432123020203.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 30202032123399 and 30202032123408.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30202032123433) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33364506 + ... + 34257762.
It is an arithmetic number, because the mean of its divisors is an integer number (2157293103672).
Almost surely, 230202032123438 is an apocalyptic number.
30202032123438 is an abundant number, since it is smaller than the sum of its proper divisors (38831347194066).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30202032123438 is a wasteful number, since it uses less digits than its factorization.
30202032123438 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1698296.
The product of its (nonzero) digits is 41472, while the sum is 33.
The spelling of 30202032123438 in words is "thirty trillion, two hundred two billion, thirty-two million, one hundred twenty-three thousand, four hundred thirty-eight".
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