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2745065160 = 2333510492423
BaseRepresentation
bin1010001110011110…
…0101111011001000
321002022022202111000
42203213211323020
521110214041120
61132220135000
7125011445265
oct24347457310
97068282430
102745065160
1111895770a2
12647397460
13349934916
141c080426c
15110ed7990
hexa39e5ec8

2745065160 has 128 divisors (see below), whose sum is σ = 9162720000. Its totient is φ = 731017728.

The previous prime is 2745065153. The next prime is 2745065189. The reversal of 2745065160 is 615605472.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 31 ways as a sum of consecutive naturals, for example, 1131709 + ... + 1134131.

It is an arithmetic number, because the mean of its divisors is an integer number (71583750).

Almost surely, 22745065160 is an apocalyptic number.

2745065160 is a gapful number since it is divisible by the number (20) 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 2745065160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4581360000).

2745065160 is an abundant number, since it is smaller than the sum of its proper divisors (6417654840).

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

2745065160 is a wasteful number, since it uses less digits than its factorization.

2745065160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3492 (or 3482 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 2745065160 is about 52393.3694278198. The cubic root of 2745065160 is about 1400.1811262255.

The spelling of 2745065160 in words is "two billion, seven hundred forty-five million, sixty-five thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 90 108 120 135 180 216 270 360 540 1049 1080 2098 2423 3147 4196 4846 5245 6294 7269 8392 9441 9692 10490 12115 12588 14538 15735 18882 19384 20980 21807 24230 25176 28323 29076 31470 36345 37764 41960 43614 47205 48460 56646 58152 62940 65421 72690 75528 87228 94410 96920 109035 113292 125880 130842 141615 145380 174456 188820 218070 226584 261684 283230 290760 327105 377640 436140 523368 566460 654210 872280 1132920 1308420 2541727 2616840 5083454 7625181 10166908 12708635 15250362 20333816 22875543 25417270 30500724 38125905 45751086 50834540 61001448 68626629 76251810 91502172 101669080 114377715 137253258 152503620 183004344 228755430 274506516 305007240 343133145 457510860 549013032 686266290 915021720 1372532580 2745065160