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144818068724 = 22731563929587
BaseRepresentation
bin1000011011011111010…
…1000101110011110100
3111211210121202010111222
42012313311011303310
54333041411144344
6150310053445512
713314504162620
oct2066765056364
9454717663458
10144818068724
115646502a51a
1224097340898
131086bb21934
14701b492180
153b78bdc5ee
hex21b7d45cf4

144818068724 has 48 divisors (see below), whose sum is σ = 299042365440. Its totient is φ = 60050112480.

The previous prime is 144818068643. The next prime is 144818068729. The reversal of 144818068724 is 427860818441.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144818068729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4879859 + ... + 4909445.

It is an arithmetic number, because the mean of its divisors is an integer number (6230049280).

Almost surely, 2144818068724 is an apocalyptic number.

144818068724 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

144818068724 is an abundant number, since it is smaller than the sum of its proper divisors (154224296716).

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

144818068724 is a wasteful number, since it uses less digits than its factorization.

144818068724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35268 (or 35266 counting only the distinct ones).

The product of its (nonzero) digits is 2752512, while the sum is 53.

The spelling of 144818068724 in words is "one hundred forty-four billion, eight hundred eighteen million, sixty-eight thousand, seven hundred twenty-four".

Divisors: 1 2 4 7 14 28 31 62 124 217 434 868 5639 11278 22556 29587 39473 59174 78946 118348 157892 174809 207109 349618 414218 699236 828436 917197 1223663 1834394 2447326 3668788 4894652 6420379 12840758 25681516 166841093 333682186 667364372 1167887651 2335775302 4671550604 5172073883 10344147766 20688295532 36204517181 72409034362 144818068724