Base | Representation |
---|---|
bin | 101001000000101010100… |
… | …001101001010101011001 |
3 | 100222102022001002112001212 |
4 | 221000222201221111121 |
5 | 332133144233244210 |
6 | 5554400235552505 |
7 | 410415630555110 |
oct | 51005241512531 |
9 | 10872261075055 |
10 | 2818212009305 |
11 | 997219232740 |
12 | 3962315bb735 |
13 | 1759aa6418c4 |
14 | 9a58b86cc77 |
15 | 4d4950a5805 |
hex | 2902a869559 |
2818212009305 has 32 divisors (see below), whose sum is σ = 4219162898688. Its totient is φ = 1755630432000.
The previous prime is 2818212009293. The next prime is 2818212009307. The reversal of 2818212009305 is 5039002128182.
It is not a de Polignac number, because 2818212009305 - 26 = 2818212009241 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2818212009307) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 1876646 + ... + 3026255.
It is an arithmetic number, because the mean of its divisors is an integer number (131848840584).
Almost surely, 22818212009305 is an apocalyptic number.
It is an amenable number.
2818212009305 is a deficient number, since it is larger than the sum of its proper divisors (1400950889383).
2818212009305 is a wasteful number, since it uses less digits than its factorization.
2818212009305 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4904417.
The product of its (nonzero) digits is 69120, while the sum is 41.
The spelling of 2818212009305 in words is "two trillion, eight hundred eighteen billion, two hundred twelve million, nine thousand, three hundred five".
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