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86192511648 = 25317412912791
BaseRepresentation
bin101000001000101111…
…0010101101010100000
322020110220102021000020
41100101132111222200
52403010240333043
6103332444353440
76140634155265
oct1202136255240
9266426367006
1086192511648
1133610475801
1214855845880
1381880655a9
14425937b26c
152396e81e83
hex1411795aa0

86192511648 has 96 divisors (see below), whose sum is σ = 239641234560. Its totient is φ = 27032125440.

The previous prime is 86192511619. The next prime is 86192511659. The reversal of 86192511648 is 84611529168.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 86192511648.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6732133 + ... + 6744923.

It is an arithmetic number, because the mean of its divisors is an integer number (2496262860).

Almost surely, 286192511648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86192511648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119820617280).

86192511648 is an abundant number, since it is smaller than the sum of its proper divisors (153448722912).

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

86192511648 is a wasteful number, since it uses less digits than its factorization.

86192511648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16950 (or 16942 counting only the distinct ones).

The product of its digits is 829440, while the sum is 51.

The spelling of 86192511648 in words is "eighty-six billion, one hundred ninety-two million, five hundred eleven thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 17 24 32 34 48 51 68 96 102 136 204 272 408 544 816 1632 4129 8258 12387 12791 16516 24774 25582 33032 38373 49548 51164 66064 70193 76746 99096 102328 132128 140386 153492 198192 204656 210579 217447 280772 306984 396384 409312 421158 434894 561544 613968 652341 842316 869788 1123088 1227936 1304682 1684632 1739576 2246176 2609364 3369264 3479152 5218728 6738528 6958304 10437456 20874912 52814039 105628078 158442117 211256156 316884234 422512312 633768468 845024624 897838663 1267536936 1690049248 1795677326 2535073872 2693515989 3591354652 5070147744 5387031978 7182709304 10774063956 14365418608 21548127912 28730837216 43096255824 86192511648