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489399868993984 = 26131005015852887
BaseRepresentation
bin110111101000110110100100…
…1010110000011000111000000
32101011211011121022222112122021
41233101231021112003013000
51003121311412430301414
64452511110202251224
7205040654661151444
oct15721551126030700
92334734538875567
10489399868993984
11131a35356467523
1246a80b81ab6b14
13180102956cc620
1488bd119904824
153b8a6313b0c24
hex1bd1b495831c0

489399868993984 has 56 divisors (see below), whose sum is σ = 1045867516701728. Its totient is φ = 225874576512000.

The previous prime is 489399868993939. The next prime is 489399868993999.

489399868993984 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80690389 + ... + 86543275.

It is an arithmetic number, because the mean of its divisors is an integer number (18676205655388).

Almost surely, 2489399868993984 is an apocalyptic number.

It is an amenable number.

489399868993984 is an abundant number, since it is smaller than the sum of its proper divisors (556467647707744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

489399868993984 is a wasteful number, since it uses less digits than its factorization.

489399868993984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5953413 (or 5953403 counting only the distinct ones).

The product of its digits is 1880739938304, while the sum is 106.

The spelling of 489399868993984 in words is "four hundred eighty-nine trillion, three hundred ninety-nine billion, eight hundred sixty-eight million, nine hundred ninety-three thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 208 416 832 100501 201002 402004 804008 1306513 1608016 2613026 3216032 5226052 5852887 6432064 10452104 11705774 20904208 23411548 41808416 46823096 76087531 83616832 93646192 152175062 187292384 304350124 374584768 608700248 1217400496 2434800992 4869601984 588220996387 1176441992774 2352883985548 4705767971096 7646872953031 9411535942192 15293745906062 18823071884384 30587491812124 37646143768768 61174983624248 122349967248496 244699934496992 489399868993984