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86584648568 = 231141037177
BaseRepresentation
bin101000010100011011…
…0001110001101111000
322021111020021212201212
41100220312032031320
52404311132223233
6103435413302252
76153435240515
oct1205066161570
9267436255655
1086584648568
11337a1860000
1214945034988
13821b382b82
14429549630c
1523bb5e0a48
hex1428d8e378

86584648568 has 80 divisors (see below), whose sum is σ = 180338636400. Its totient is φ = 38969124480.

The previous prime is 86584648547. The next prime is 86584648583.

It is a happy number.

86584648568 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 86584648498 and 86584648507.

It is a congruent number.

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 19 ways as a sum of consecutive naturals, for example, 12060596 + ... + 12067772.

It is an arithmetic number, because the mean of its divisors is an integer number (2254232955).

Almost surely, 286584648568 is an apocalyptic number.

86584648568 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86584648568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90169318200).

86584648568 is an abundant number, since it is smaller than the sum of its proper divisors (93753987832).

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

86584648568 is a wasteful number, since it uses less digits than its factorization.

86584648568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7330 (or 7293 counting only the distinct ones).

The product of its digits is 353894400, while the sum is 68.

The spelling of 86584648568 in words is "eighty-six billion, five hundred eighty-four million, six hundred forty-eight thousand, five hundred sixty-eight".

Divisors: 1 2 4 8 11 22 44 88 103 121 206 242 412 484 824 968 1133 1331 2266 2662 4532 5324 7177 9064 10648 12463 14354 14641 24926 28708 29282 49852 57416 58564 78947 99704 117128 137093 157894 274186 315788 548372 631576 739231 868417 1096744 1478462 1508023 1736834 2956924 3016046 3473668 5913848 6032092 6947336 8131541 9552587 12064184 16263082 19105174 32526164 38210348 65052328 76420696 89446951 105078457 178893902 210156914 357787804 420313828 715575608 840627656 983916461 1967832922 3935665844 7871331688 10823081071 21646162142 43292324284 86584648568