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86220751089 = 31134772710357
BaseRepresentation
bin101000001001100101…
…0000100000011110001
322020112212112222020110
41100103022010003301
52403040003013324
6103335333531533
76141426202104
oct1202312040361
9266485488213
1086220751089
1133625403490
12148631a3ba9
138190b72115
14425d00c73b
1523996ae329
hex14132840f1

86220751089 has 32 divisors (see below), whose sum is σ = 125958583296. Its totient is φ = 52027715520.

The previous prime is 86220751087. The next prime is 86220751093. The reversal of 86220751089 is 98015702268.

It is not a de Polignac number, because 86220751089 - 21 = 86220751087 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (86220751087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8319699 + ... + 8330055.

It is an arithmetic number, because the mean of its divisors is an integer number (3936205728).

Almost surely, 286220751089 is an apocalyptic number.

It is an amenable number.

86220751089 is a deficient number, since it is larger than the sum of its proper divisors (39737832207).

86220751089 is a wasteful number, since it uses less digits than its factorization.

86220751089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11445.

The product of its (nonzero) digits is 483840, while the sum is 48.

The spelling of 86220751089 in words is "eighty-six billion, two hundred twenty million, seven hundred fifty-one thousand, eighty-nine".

Divisors: 1 3 11 33 347 727 1041 2181 3817 7997 10357 11451 23991 31071 113927 252269 341781 756807 2774959 3593879 7529539 8324877 10781637 22588617 39532669 82824929 118598007 248474787 2612750033 7838250099 28740250363 86220751089