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10129581168 = 243737814799
BaseRepresentation
bin10010110111100010…
…10010010001110000
3222010221121001001220
421123301102101300
5131221133044133
64353052025040
7506010006420
oct113361222160
928127531056
1010129581168
114328980293
121b68462180
13c557ba415
146c1454480
153e44575b3
hex25bc52470

10129581168 has 80 divisors (see below), whose sum is σ = 30714700800. Its totient is φ = 2815941888.

The previous prime is 10129581151. The next prime is 10129581199. The reversal of 10129581168 is 86118592101.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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, 394968 + ... + 419831.

It is an arithmetic number, because the mean of its divisors is an integer number (383933760).

Almost surely, 210129581168 is an apocalyptic number.

It is an amenable number.

10129581168 is an abundant number, since it is smaller than the sum of its proper divisors (20585119632).

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

10129581168 is a wasteful number, since it uses less digits than its factorization.

10129581168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814854 (or 814848 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 42.

The spelling of 10129581168 in words is "ten billion, one hundred twenty-nine million, five hundred eighty-one thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 37 42 48 56 74 84 111 112 148 168 222 259 296 336 444 518 592 777 888 1036 1554 1776 2072 3108 4144 6216 12432 814799 1629598 2444397 3259196 4888794 5703593 6518392 9777588 11407186 13036784 17110779 19555176 22814372 30147563 34221558 39110352 45628744 60295126 68443116 90442689 91257488 120590252 136886232 180885378 211032941 241180504 273772464 361770756 422065882 482361008 633098823 723541512 844131764 1266197646 1447083024 1688263528 2532395292 3376527056 5064790584 10129581168