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144013231544 = 23713197820373
BaseRepresentation
bin1000011000011111011…
…0111000010110111000
3111202201112022011110112
42012013312320112320
54324414341402134
6150054143203452
713255532161550
oct2060766702670
9452645264415
10144013231544
1156091795426
1223ab18a6588
1310771167110
146d82628160
153b2d20c1ce
hex2187db85b8

144013231544 has 32 divisors (see below), whose sum is σ = 332338228320. Its totient is φ = 56972267136.

The previous prime is 144013231519. The next prime is 144013231561. The reversal of 144013231544 is 445132310441.

144013231544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 144013231544.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 98909459 + ... + 98910914.

It is an arithmetic number, because the mean of its divisors is an integer number (10385569635).

Almost surely, 2144013231544 is an apocalyptic number.

144013231544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

144013231544 is an abundant number, since it is smaller than the sum of its proper divisors (188324996776).

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

144013231544 is a wasteful number, since it uses less digits than its factorization.

144013231544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197820399 (or 197820395 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 144013231544 its reverse (445132310441), we get a palindrome (589145541985).

The spelling of 144013231544 in words is "one hundred forty-four billion, thirteen million, two hundred thirty-one thousand, five hundred forty-four".

Divisors: 1 2 4 7 8 13 14 26 28 52 56 91 104 182 364 728 197820373 395640746 791281492 1384742611 1582562984 2571664849 2769485222 5143329698 5538970444 10286659396 11077940888 18001653943 20573318792 36003307886 72006615772 144013231544