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2144247336 = 2333711128923
BaseRepresentation
bin111111111001110…
…1001111000101000
312112102210001101000
41333303221320220
513342411403321
6552434355000
7104064541650
oct17763517050
95472701330
102144247336
11a0040a840
124ba12ba60
13282310a0a
14164ac7360
15c83a7826
hex7fce9e28

2144247336 has 128 divisors (see below), whose sum is σ = 7426022400. Its totient is φ = 556943040.

The previous prime is 2144247317. The next prime is 2144247353. The reversal of 2144247336 is 6337424412.

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

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 2144247336.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47830 + ... + 81093.

It is an arithmetic number, because the mean of its divisors is an integer number (58015800).

Almost surely, 22144247336 is an apocalyptic number.

It is an amenable number.

2144247336 is an abundant number, since it is smaller than the sum of its proper divisors (5281775064).

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

2144247336 is a wasteful number, since it uses less digits than its factorization.

2144247336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128956 (or 128946 counting only the distinct ones).

The product of its digits is 96768, while the sum is 36.

The square root of 2144247336 is about 46306.0183561489. The cubic root of 2144247336 is about 1289.5107284600.

The spelling of 2144247336 in words is "two billion, one hundred forty-four million, two hundred forty-seven thousand, three hundred thirty-six".

Divisors: 1 2 3 4 6 7 8 9 11 12 14 18 21 22 24 27 28 33 36 42 44 54 56 63 66 72 77 84 88 99 108 126 132 154 168 189 198 216 231 252 264 297 308 378 396 462 504 594 616 693 756 792 924 1188 1386 1512 1848 2079 2376 2772 4158 5544 8316 16632 128923 257846 386769 515692 773538 902461 1031384 1160307 1418153 1547076 1804922 2320614 2707383 2836306 3094152 3480921 3609844 4254459 4641228 5414766 5672612 6961842 7219688 8122149 8508918 9282456 9927071 10829532 11345224 12763377 13923684 16244298 17017836 19854142 21659064 24366447 25526754 27847368 29781213 32488596 34035672 38290131 39708284 48732894 51053508 59562426 64977192 76580262 79416568 89343639 97465788 102107016 119124852 153160524 178687278 194931576 238249704 268030917 306321048 357374556 536061834 714749112 1072123668 2144247336