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82047086240 = 255773256327
BaseRepresentation
bin100110001101001100…
…0110010111010100000
321211210000001211101212
41030122120302322200
52321013023224430
6101405241445252
75633126504030
oct1143230627240
9254700054355
1082047086240
1131883494299
1213a994a0828
137977287252
143d849ad8c0
152203082b95
hex131a632ea0

82047086240 has 48 divisors (see below), whose sum is σ = 221527135872. Its totient is φ = 28130429184.

The previous prime is 82047086221. The next prime is 82047086257. The reversal of 82047086240 is 4268074028.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36627044 + ... + 36629283.

It is an arithmetic number, because the mean of its divisors is an integer number (4615148664).

Almost surely, 282047086240 is an apocalyptic number.

82047086240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

82047086240 is an abundant number, since it is smaller than the sum of its proper divisors (139480049632).

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

82047086240 is a wasteful number, since it uses less digits than its factorization.

82047086240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73256349 (or 73256341 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 41.

The spelling of 82047086240 in words is "eighty-two billion, forty-seven million, eighty-six thousand, two hundred forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 280 560 1120 73256327 146512654 293025308 366281635 512794289 586050616 732563270 1025588578 1172101232 1465126540 2051177156 2344202464 2563971445 2930253080 4102354312 5127942890 5860506160 8204708624 10255885780 11721012320 16409417248 20511771560 41023543120 82047086240