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82966477120 = 265259270241
BaseRepresentation
bin100110101000100101…
…1111111100101000000
321221011002001201120221
41031101023333211000
52324403404231440
6102040403312424
75664662263642
oct1152113774500
9257132051527
1082966477120
113220546026a
12140b537b714
137a928aca17
144030b36892
152258b3ed4a
hex13512ff940

82966477120 has 28 divisors (see below), whose sum is σ = 197563924404. Its totient is φ = 33186590720.

The previous prime is 82966477117. The next prime is 82966477123. The reversal of 82966477120 is 2177466928.

It is an interprime number because it is at equal distance from previous prime (82966477117) and next prime (82966477123).

It can be written as a sum of positive squares in 2 ways, for example, as 48901130496 + 34065346624 = 221136^2 + 184568^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82966477123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129634801 + ... + 129635440.

It is an arithmetic number, because the mean of its divisors is an integer number (7055854443).

Almost surely, 282966477120 is an apocalyptic number.

82966477120 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

82966477120 is an abundant number, since it is smaller than the sum of its proper divisors (114597447284).

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

82966477120 is a wasteful number, since it uses less digits than its factorization.

82966477120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259270258 (or 259270248 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 82966477120 in words is "eighty-two billion, nine hundred sixty-six million, four hundred seventy-seven thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 259270241 518540482 1037080964 1296351205 2074161928 2592702410 4148323856 5185404820 8296647712 10370809640 16593295424 20741619280 41483238560 82966477120