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144020042250 = 2353727432389
BaseRepresentation
bin1000011000100001000…
…0110111001000001010
3111202202000010011222220
42012020100313020022
54324423112323000
6150054545154510
713255644106050
oct2061020671012
9452660104886
10144020042250
1156095617407
1223ab402ba36
13107726b0116
146d834bc1d0
153b2db051a0
hex218843720a

144020042250 has 64 divisors (see below), whose sum is σ = 410827472640. Its totient is φ = 32918865600.

The previous prime is 144020042249. The next prime is 144020042263. The reversal of 144020042250 is 52240020441.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 144020042250.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13710945 + ... + 13721444.

It is an arithmetic number, because the mean of its divisors is an integer number (6419179260).

Almost surely, 2144020042250 is an apocalyptic number.

144020042250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144020042250 is an abundant number, since it is smaller than the sum of its proper divisors (266807430390).

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

144020042250 is a wasteful number, since it uses less digits than its factorization.

144020042250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27432416 (or 27432406 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

Adding to 144020042250 its reverse (52240020441), we get a palindrome (196260062691).

The spelling of 144020042250 in words is "one hundred forty-four billion, twenty million, forty-two thousand, two hundred fifty".

Divisors: 1 2 3 5 6 7 10 14 15 21 25 30 35 42 50 70 75 105 125 150 175 210 250 350 375 525 750 875 1050 1750 2625 5250 27432389 54864778 82297167 137161945 164594334 192026723 274323890 384053446 411485835 576080169 685809725 822971670 960133615 1152160338 1371619450 1920267230 2057429175 2880400845 3429048625 4114858350 4800668075 5760801690 6858097250 9601336150 10287145875 14402004225 20574291750 24003340375 28804008450 48006680750 72010021125 144020042250