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488640989049 = 3642832533801
BaseRepresentation
bin1110001110001010100…
…01011100011101111001
31201201021020020011120020
413013011101130131321
531001214043122144
61012251212121053
750205656606343
oct7070521343571
91651236204506
10488640989049
11179260110444
127a850a66189
1337103a33915
14199167bc293
15ca9d7ca419
hex71c545c779

488640989049 has 8 divisors (see below), whose sum is σ = 651531711072. Its totient is φ = 325755463200.

The previous prime is 488640989017. The next prime is 488640989071. The reversal of 488640989049 is 940989046884.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 488640989049 - 25 = 488640989017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (488640989449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1074052 + ... + 1459749.

It is an arithmetic number, because the mean of its divisors is an integer number (81441463884).

Almost surely, 2488640989049 is an apocalyptic number.

It is an amenable number.

488640989049 is a deficient number, since it is larger than the sum of its proper divisors (162890722023).

488640989049 is a wasteful number, since it uses less digits than its factorization.

488640989049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2598087.

The product of its (nonzero) digits is 143327232, while the sum is 69.

The spelling of 488640989049 in words is "four hundred eighty-eight billion, six hundred forty million, nine hundred eighty-nine thousand, forty-nine".

Divisors: 1 3 64283 192849 2533801 7601403 162880329683 488640989049