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3940305888487 = 149175315085571
BaseRepresentation
bin111001010101101100100…
…010000110010011100111
3111221200121200200122022011
4321111230202012103213
51004024221301412422
612214052422015051
7554451311301433
oct71255442062347
914850550618264
103940305888487
11128a08aa50111
125377a8577487
1322775284b667
14d89d73539c3
156c76a52b077
hex3956c8864e7

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".

Divisors: 1 149 1753 261197 15085571 2247750079 26445005963 3940305888487