Base | Representation |
---|---|
bin | 1101101010000110110000… |
… | …11110101000011011101101 |
3 | 10221100020010010001122111010 |
4 | 12311003120132220123231 |
5 | 12414034210032222341 |
6 | 143513240552015433 |
7 | 6216613406232234 |
oct | 665033036503355 |
9 | 127306103048433 |
10 | 30034043242221 |
11 | 962a403473887 |
12 | 3450970391579 |
13 | 139b276386265 |
14 | 75b9267a3b1b |
15 | 3713c386a716 |
hex | 1b50d87a86ed |
30034043242221 has 32 divisors (see below), whose sum is σ = 43304618649600. Its totient is φ = 18443309755136.
The previous prime is 30034043242213. The next prime is 30034043242249. The reversal of 30034043242221 is 12224234043003.
It is a cyclic number.
It is not a de Polignac number, because 30034043242221 - 23 = 30034043242213 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30034043242261) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76284730 + ... + 76677428.
It is an arithmetic number, because the mean of its divisors is an integer number (1353269332800).
Almost surely, 230034043242221 is an apocalyptic number.
It is an amenable number.
30034043242221 is a deficient number, since it is larger than the sum of its proper divisors (13270575407379).
30034043242221 is a wasteful number, since it uses less digits than its factorization.
30034043242221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 424673.
The product of its (nonzero) digits is 27648, while the sum is 30.
Adding to 30034043242221 its reverse (12224234043003), we get a palindrome (42258277285224).
The spelling of 30034043242221 in words is "thirty trillion, thirty-four billion, forty-three million, two hundred forty-two thousand, two hundred twenty-one".
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