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487875648960 = 2635572931997
BaseRepresentation
bin1110001100101111010…
…01111001110111000000
31201122021220002212100000
413012113221321313000
530443132131231320
61012043232200000
750151004410210
oct7062751716700
91648256085300
10487875648960
111789a80a3077
127a678699000
13370112c7a6b
1419882cb6240
15ca564ecc90
hex7197a79dc0

487875648960 has 1344 divisors, whose sum is σ = 2125925867520. Its totient is φ = 104091402240.

The previous prime is 487875648959. The next prime is 487875649007. The reversal of 487875648960 is 69846578784.

487875648960 is a `hidden beast` number, since 4 + 8 + 7 + 87 + 5 + 6 + 489 + 60 = 666.

It is a tau number, because it is divible by the number of its divisors (1344).

It is a super-2 number, since 2×4878756489602 (a number of 24 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 191 ways as a sum of consecutive naturals, for example, 489343182 + ... + 489344178.

It is an arithmetic number, because the mean of its divisors is an integer number (1581790080).

Almost surely, 2487875648960 is an apocalyptic number.

487875648960 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 487875648960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1062962933760).

487875648960 is an abundant number, since it is smaller than the sum of its proper divisors (1638050218560).

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

487875648960 is a wasteful number, since it uses less digits than its factorization.

487875648960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096 (or 1074 counting only the distinct ones).

The product of its (nonzero) digits is 650280960, while the sum is 72.

The spelling of 487875648960 in words is "four hundred eighty-seven billion, eight hundred seventy-five million, six hundred forty-eight thousand, nine hundred sixty".