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489804194880 = 2632571113238389
BaseRepresentation
bin1110010000010101001…
…10101110010001000000
31201211021022000010222200
413020022212232101000
531011104333214010
61013002443433200
750246542651110
oct7101246562100
91654238003880
10489804194880
111797a7776180
127ab16525800
133725aa147b0
14199c7091040
15cb1a998cc0
hex720a9ae440

489804194880 has 2688 divisors, whose sum is σ = 2415631196160. Its totient is φ = 87783505920.

The previous prime is 489804194879. The next prime is 489804194897. The reversal of 489804194880 is 88491408984.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 5503417876 + ... + 5503417964.

It is an arithmetic number, because the mean of its divisors is an integer number (898672320).

Almost surely, 2489804194880 is an apocalyptic number.

489804194880 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 489804194880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1207815598080).

489804194880 is an abundant number, since it is smaller than the sum of its proper divisors (1925827001280).

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

489804194880 is a wasteful number, since it uses less digits than its factorization.

489804194880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 21233664, while the sum is 63.

The spelling of 489804194880 in words is "four hundred eighty-nine billion, eight hundred four million, one hundred ninety-four thousand, eight hundred eighty".