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86519704960 = 2751367155209
BaseRepresentation
bin101000010010011111…
…0011110110110000000
322021022201002101212001
41100210332132312000
52404143021024320
6103425133313344
76152016233533
oct1204476366600
9267281071761
1086519704960
11337691329a7
1214927335854
13820aa949c0
14428a9cca1a
1523b5a6320a
hex1424f9ed80

86519704960 has 128 divisors (see below), whose sum is σ = 226072677600. Its totient is φ = 31468732416.

The previous prime is 86519704933. The next prime is 86519704961. The reversal of 86519704960 is 6940791568.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86519704961) 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 15 ways as a sum of consecutive naturals, for example, 479836 + ... + 635044.

Almost surely, 286519704960 is an apocalyptic number.

86519704960 is a gapful number since it is divisible by the number (80) 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 86519704960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113036338800).

86519704960 is an abundant number, since it is smaller than the sum of its proper divisors (139552972640).

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

86519704960 is a wasteful number, since it uses less digits than its factorization.

86519704960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155308 (or 155296 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 55.

The spelling of 86519704960 in words is "eighty-six billion, five hundred nineteen million, seven hundred four thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 67 80 104 128 130 134 160 208 260 268 320 335 416 520 536 640 670 832 871 1040 1072 1340 1664 1742 2080 2144 2680 3484 4160 4288 4355 5360 6968 8320 8576 8710 10720 13936 17420 21440 27872 34840 42880 55744 69680 111488 139360 155209 278720 310418 557440 620836 776045 1241672 1552090 2017717 2483344 3104180 4035434 4966688 6208360 8070868 9933376 10088585 10399003 12416720 16141736 19866752 20177170 20798006 24833440 32283472 40354340 41596012 49666880 51995015 64566944 80708680 83192024 99333760 103990030 129133888 135187039 161417360 166384048 207980060 258267776 270374078 322834720 332768096 415960120 540748156 645669440 665536192 675935195 831920240 1081496312 1291338880 1331072384 1351870390 1663840480 2162992624 2703740780 3327680960 4325985248 5407481560 6655361920 8651970496 10814963120 17303940992 21629926240 43259852480 86519704960