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489046215779712 = 27332341351742667
BaseRepresentation
bin110111100110010001111000…
…1111110000110010110000000
32101010120100202122001211102000
41233030203301332012112000
51003100013122214422322
64452040421402424000
7205003265061345633
oct15714436176062600
92333510678054360
10489046215779712
11131909376443228
1246a24524202000
1317cb5b2500b766
1488a9d6abcdc1a
153b813337883ac
hex1bcc8f1f86580

489046215779712 has 512 divisors, whose sum is σ = 1543330096358400. Its totient is φ = 152077843906560.

The previous prime is 489046215779609. The next prime is 489046215779729. The reversal of 489046215779712 is 217977512640984.

489046215779712 is a `hidden beast` number, since 4 + 8 + 9 + 0 + 46 + 2 + 1 + 577 + 9 + 7 + 1 + 2 = 666.

It is a super-2 number, since 2×4890462157797122 (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11461909803 + ... + 11461952469.

It is an arithmetic number, because the mean of its divisors is an integer number (3014316594450).

Almost surely, 2489046215779712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489046215779712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (771665048179200).

489046215779712 is an abundant number, since it is smaller than the sum of its proper divisors (1054283880578688).

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

489046215779712 is a wasteful number, since it uses less digits than its factorization.

489046215779712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46271 (or 46253 counting only the distinct ones).

The product of its (nonzero) digits is 426746880, while the sum is 72.

The spelling of 489046215779712 in words is "four hundred eighty-nine trillion, forty-six billion, two hundred fifteen million, seven hundred seventy-nine thousand, seven hundred twelve".