Base | Representation |
---|---|
bin | 1000000111101011101101… |
… | …0001100011100001010101 |
3 | 1011121111221112010121110201 |
4 | 2001322323101203201111 |
5 | 2132234203444414141 |
6 | 30553301040420501 |
7 | 1611014146464442 |
oct | 201727321434125 |
9 | 34544845117421 |
10 | 8928083982421 |
11 | 293241972075a |
12 | 10023a5317731 |
13 | 4c9bb77c3c36 |
14 | 22c19b8369c9 |
15 | 10738ec97031 |
hex | 81ebb463855 |
8928083982421 has 4 divisors (see below), whose sum is σ = 8955057046144. Its totient is φ = 8901110918700.
The previous prime is 8928083982407. The next prime is 8928083982431. The reversal of 8928083982421 is 1242893808298.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 8928083982421 - 227 = 8927949764693 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8928083982431) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13486531365 + ... + 13486532026.
It is an arithmetic number, because the mean of its divisors is an integer number (2238764261536).
Almost surely, 28928083982421 is an apocalyptic number.
It is an amenable number.
8928083982421 is a deficient number, since it is larger than the sum of its proper divisors (26973063723).
8928083982421 is a wasteful number, since it uses less digits than its factorization.
8928083982421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26973063722.
The product of its (nonzero) digits is 31850496, while the sum is 64.
The spelling of 8928083982421 in words is "eight trillion, nine hundred twenty-eight billion, eighty-three million, nine hundred eighty-two thousand, four hundred twenty-one".
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