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487249641768 = 23328337166279
BaseRepresentation
bin1110001011100100101…
…01111000000100101000
31201120200021011101220110
413011302111320010220
530440341402014033
61011501150454320
750126333422311
oct7056225700450
91646607141813
10487249641768
111787067a165a
127a522b043a0
1336c416c46c6
1419823abd608
15ca1b594363
hex7172578128

487249641768 has 32 divisors (see below), whose sum is σ = 1218554251200. Its totient is φ = 162359194368.

The previous prime is 487249641719. The next prime is 487249641773. The reversal of 487249641768 is 867146942784.

It is a junction number, because it is equal to n+sod(n) for n = 487249641699 and 487249641708.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3515148 + ... + 3651131.

It is an arithmetic number, because the mean of its divisors is an integer number (38079820350).

Almost surely, 2487249641768 is an apocalyptic number.

It is an amenable number.

487249641768 is an abundant number, since it is smaller than the sum of its proper divisors (731304609432).

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

487249641768 is a wasteful number, since it uses less digits than its factorization.

487249641768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7169121 (or 7169117 counting only the distinct ones).

The product of its digits is 130056192, while the sum is 66.

The spelling of 487249641768 in words is "four hundred eighty-seven billion, two hundred forty-nine million, six hundred forty-one thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 2833 5666 8499 11332 16998 22664 33996 67992 7166279 14332558 21498837 28665116 42997674 57330232 85995348 171990696 20302068407 40604136814 60906205221 81208273628 121812410442 162416547256 243624820884 487249641768