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86804280240 = 2435361684501
BaseRepresentation
bin101000011010111110…
…0000011001110110000
322022001112120022202020
41100311330003032300
52410233343431430
6103513300551440
76162043131216
oct1206574031660
9268045508666
1086804280240
11338a4831587
12149a66b2580
138254a21a42
1442b6708cb6
1523d0a26b10
hex1435f033b0

86804280240 has 40 divisors (see below), whose sum is σ = 269093269488. Its totient is φ = 23147808000.

The previous prime is 86804280221. The next prime is 86804280257. The reversal of 86804280240 is 4208240868.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 86804280192 and 86804280201.

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, 180842011 + ... + 180842490.

Almost surely, 286804280240 is an apocalyptic number.

86804280240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

86804280240 is an abundant number, since it is smaller than the sum of its proper divisors (182288989248).

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

86804280240 is a wasteful number, since it uses less digits than its factorization.

86804280240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361684517 (or 361684511 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 42.

The spelling of 86804280240 in words is "eighty-six billion, eight hundred four million, two hundred eighty thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 361684501 723369002 1085053503 1446738004 1808422505 2170107006 2893476008 3616845010 4340214012 5425267515 5786952016 7233690020 8680428024 10850535030 14467380040 17360856048 21701070060 28934760080 43402140120 86804280240