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128034116392 = 23713474618117
BaseRepresentation
bin111011100111101101…
…1011001001100101000
3110020110220210000021211
41313033123121030220
54044203213211032
6134452411242504
712151543014160
oct1671733311450
9406426700254
10128034116392
114a331a14736
1220992449434
13c0c5813cb0
1462a83715a0
1534e548e747
hex1dcf6d9328

128034116392 has 128 divisors (see below), whose sum is σ = 302441610240. Its totient is φ = 49459553280.

The previous prime is 128034116383. The next prime is 128034116393. The reversal of 128034116392 is 293611430821.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (128034116393) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15769518 + ... + 15777634.

It is an arithmetic number, because the mean of its divisors is an integer number (2362825080).

Almost surely, 2128034116392 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 128034116392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151220805120).

128034116392 is an abundant number, since it is smaller than the sum of its proper divisors (174407493848).

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

128034116392 is a wasteful number, since it uses less digits than its factorization.

128034116392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8651 (or 8647 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 128034116392 in words is "one hundred twenty-eight billion, thirty-four million, one hundred sixteen thousand, three hundred ninety-two".

Divisors: 1 2 4 7 8 13 14 26 28 47 52 56 91 94 104 182 188 329 364 376 461 611 658 728 922 1222 1316 1844 2444 2632 3227 3688 4277 4888 5993 6454 8117 8554 11986 12908 16234 17108 21667 23972 25816 32468 34216 41951 43334 47944 56819 64936 83902 86668 105521 113638 151669 167804 173336 211042 227276 281671 303338 335608 381499 422084 454552 563342 606676 738647 762998 844168 1126684 1213352 1477294 1525996 1971697 2253368 2670493 2954588 3051992 3741937 3943394 4959487 5340986 5909176 7483874 7886788 9918974 10681972 14967748 15773576 19837948 21363944 26193559 29935496 34716409 39675896 48645181 52387118 69432818 97290362 104774236 138865636 175871039 194580724 209548472 277731272 340516267 351742078 389161448 681032534 703484156 1231097273 1362065068 1406968312 2286323507 2462194546 2724130136 4572647014 4924389092 9145294028 9848778184 16004264549 18290588056 32008529098 64017058196 128034116392