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86953659168 = 2537327534507
BaseRepresentation
bin101000011111011010…
…1111000101100100000
322022102221122120010010
41100332311320230200
52411040114043133
6103540154404520
76165535623255
oct1207665705440
9268387576103
1086953659168
113397108a142
1214a28730740
13827996403c
1442cc4b142c
1523ddbd2263
hex143ed78b20

86953659168 has 96 divisors (see below), whose sum is σ = 231515516736. Its totient is φ = 28570779648.

The previous prime is 86953659167. The next prime is 86953659253. The reversal of 86953659168 is 86195635968.

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

It is a junction number, because it is equal to n+sod(n) for n = 86953659099 and 86953659108.

It is not an unprimeable number, because it can be changed into a prime (86953659167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19290771 + ... + 19295277.

It is an arithmetic number, because the mean of its divisors is an integer number (2411619966).

Almost surely, 286953659168 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 86953659168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115757758368).

86953659168 is an abundant number, since it is smaller than the sum of its proper divisors (144561857568).

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

86953659168 is a wasteful number, since it uses less digits than its factorization.

86953659168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7346 (or 7338 counting only the distinct ones).

The product of its digits is 83980800, while the sum is 66.

The spelling of 86953659168 in words is "eighty-six billion, nine hundred fifty-three million, six hundred fifty-nine thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 73 96 146 219 292 438 584 876 1168 1752 2336 2753 3504 4507 5506 7008 8259 9014 11012 13521 16518 18028 22024 27042 33036 36056 44048 54084 66072 72112 88096 108168 132144 144224 200969 216336 264288 329011 401938 432672 602907 658022 803876 987033 1205814 1316044 1607752 1974066 2411628 2632088 3215504 3948132 4823256 5264176 6431008 7896264 9646512 10528352 12407771 15792528 19293024 24815542 31585056 37223313 49631084 74446626 99262168 148893252 198524336 297786504 397048672 595573008 905767283 1191146016 1811534566 2717301849 3623069132 5434603698 7246138264 10869207396 14492276528 21738414792 28984553056 43476829584 86953659168