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86224225720 = 23521001102643
BaseRepresentation
bin101000001001101011…
…1010100010110111000
322020120010002111112111
41100103113110112320
52403041400210340
6103335540222104
76141500553163
oct1202327242670
9266503074474
1086224225720
1133627366a86
121486439a934
1381917ba809
14425d674ada
152399b48aea
hex14135d45b8

86224225720 has 32 divisors (see below), whose sum is σ = 194015635920. Its totient is φ = 34487712000.

The previous prime is 86224225691. The next prime is 86224225729. The reversal of 86224225720 is 2752242268.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86224225729) by changing a digit.

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, 788719 + ... + 891361.

Almost surely, 286224225720 is an apocalyptic number.

It is an amenable number.

86224225720 is an abundant number, since it is smaller than the sum of its proper divisors (107791410200).

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

86224225720 is a wasteful number, since it uses less digits than its factorization.

86224225720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123655 (or 123651 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 40.

Adding to 86224225720 its reverse (2752242268), we get a palindrome (88976467988).

The spelling of 86224225720 in words is "eighty-six billion, two hundred twenty-four million, two hundred twenty-five thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 21001 42002 84004 102643 105005 168008 205286 210010 410572 420020 513215 821144 840040 1026430 2052860 4105720 2155605643 4311211286 8622422572 10778028215 17244845144 21556056430 43112112860 86224225720