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489903668562120 = 2335791132383191911
BaseRepresentation
bin110111101100100001001011…
…0001000111000100011001000
32101020121022222222202022111120
41233121002112020320203020
51003203040203122441440
64453534345515355240
7205122241414631211
oct15731022610704310
92336538888668446
10489903668562120
11132109a8516077a
1246b42743452b20
1318048943a93067
1488d966d5c6408
153b987ba876dd0
hex1bd90962388c8

489903668562120 has 256 divisors, whose sum is σ = 1502123780505600. Its totient is φ = 127791499530240.

The previous prime is 489903668562109. The next prime is 489903668562163. The reversal of 489903668562120 is 21265866309984.

It is a hoax number, since the sum of its digits (69) coincides with the sum of the digits of its distinct prime factors.

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, 2552668965 + ... + 2552860875.

It is an arithmetic number, because the mean of its divisors is an integer number (5867671017600).

Almost surely, 2489903668562120 is an apocalyptic number.

489903668562120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489903668562120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (751061890252800).

489903668562120 is an abundant number, since it is smaller than the sum of its proper divisors (1012220111943480).

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

489903668562120 is a wasteful number, since it uses less digits than its factorization.

489903668562120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194500 (or 194496 counting only the distinct ones).

The product of its (nonzero) digits is 268738560, while the sum is 69.

The spelling of 489903668562120 in words is "four hundred eighty-nine trillion, nine hundred three billion, six hundred sixty-eight million, five hundred sixty-two thousand, one hundred twenty".