Base | Representation |
---|---|
bin | 111001010101101100100… |
… | …010000110010011100111 |
3 | 111221200121200200122022011 |
4 | 321111230202012103213 |
5 | 1004024221301412422 |
6 | 12214052422015051 |
7 | 554451311301433 |
oct | 71255442062347 |
9 | 14850550618264 |
10 | 3940305888487 |
11 | 128a08aa50111 |
12 | 5377a8577487 |
13 | 22775284b667 |
14 | d89d73539c3 |
15 | 6c76a52b077 |
hex | 3956c8864e7 |
3940305888487 has 8 divisors (see below), whose sum is σ = 3969013993200. Its totient is φ = 3911627958720.
The previous prime is 3940305888481. The next prime is 3940305888517. The reversal of 3940305888487 is 7848885030493.
3940305888487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 3940305888487 - 23 = 3940305888479 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 (3940305888481) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7281589 + ... + 7803982.
It is an arithmetic number, because the mean of its divisors is an integer number (496126749150).
Almost surely, 23940305888487 is an apocalyptic number.
3940305888487 is a deficient number, since it is larger than the sum of its proper divisors (28708104713).
3940305888487 is a wasteful number, since it uses less digits than its factorization.
3940305888487 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15087473.
The product of its (nonzero) digits is 185794560, while the sum is 67.
The spelling of 3940305888487 in words is "three trillion, nine hundred forty billion, three hundred five million, eight hundred eighty-eight thousand, four hundred eighty-seven".
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