Search a number
-
+
489906084189 = 31014213840503
BaseRepresentation
bin1110010000100001010…
…11011001100101011101
31201211112101201122211210
413020100223121211131
531011311424143224
61013020523335033
750252221002354
oct7102053314535
91654471648753
10489906084189
1117984a238115
127ab44681479
1337275b6a222
14199d681499b
15cb248c3429
hex7210ad995d

489906084189 has 16 divisors (see below), whose sum is σ = 661242616704. Its totient is φ = 322602168000.

The previous prime is 489906084097. The next prime is 489906084251. The reversal of 489906084189 is 981480609984.

It is not a de Polignac number, because 489906084189 - 216 = 489906018653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489906084989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1792689 + ... + 2047814.

It is an arithmetic number, because the mean of its divisors is an integer number (41327663544).

Almost surely, 2489906084189 is an apocalyptic number.

It is an amenable number.

489906084189 is a deficient number, since it is larger than the sum of its proper divisors (171336532515).

489906084189 is a wasteful number, since it uses less digits than its factorization.

489906084189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3841028.

The product of its (nonzero) digits is 35831808, while the sum is 66.

The spelling of 489906084189 in words is "four hundred eighty-nine billion, nine hundred six million, eighty-four thousand, one hundred eighty-nine".

Divisors: 1 3 101 303 421 1263 42521 127563 3840503 11521509 387890803 1163672409 1616851763 4850555289 163302028063 489906084189