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86544408018 = 2370957203279
BaseRepresentation
bin101000010011001110…
…0101101110111010010
322021101102120110002010
41100212130231313102
52404220332024033
6103431415003350
76152436221235
oct1204634556722
9267342513063
1086544408018
1133781075752
1214933669556
138212c339b3
14428ddbd41c
1523b7ce2863
hex142672ddd2

86544408018 has 16 divisors (see below), whose sum is σ = 173092106880. Its totient is φ = 28847587536.

The previous prime is 86544407951. The next prime is 86544408029. The reversal of 86544408018 is 81080444568.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324103 + ... + 527381.

It is an arithmetic number, because the mean of its divisors is an integer number (10818256680).

Almost surely, 286544408018 is an apocalyptic number.

86544408018 is an abundant number, since it is smaller than the sum of its proper divisors (86547698862).

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

86544408018 is a wasteful number, since it uses less digits than its factorization.

86544408018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274241.

The product of its (nonzero) digits is 983040, while the sum is 48.

The spelling of 86544408018 in words is "eighty-six billion, five hundred forty-four million, four hundred eight thousand, eighteen".

Divisors: 1 2 3 6 70957 141914 203279 212871 406558 425742 609837 1219674 14424068003 28848136006 43272204009 86544408018