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144210020540 = 225419122314071
BaseRepresentation
bin1000011001001110010…
…1100100100010111100
3111210020020121002012212
42012103211210202330
54330320231124130
6150125453115552
713263441643445
oct2062345444274
9453206532185
10144210020540
1156182884963
1223b47788bb8
13107a2b68a01
146da08122cc
153b4062ee95
hex21939648bc

144210020540 has 48 divisors (see below), whose sum is σ = 303833617920. Its totient is φ = 57495197760.

The previous prime is 144210020533. The next prime is 144210020569. The reversal of 144210020540 is 45020012441.

144210020540 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10241705 + ... + 10255775.

It is an arithmetic number, because the mean of its divisors is an integer number (6329867040).

Almost surely, 2144210020540 is an apocalyptic number.

144210020540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144210020540 is an abundant number, since it is smaller than the sum of its proper divisors (159623597380).

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

144210020540 is a wasteful number, since it uses less digits than its factorization.

144210020540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15722 (or 15720 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 144210020540 its reverse (45020012441), we get a palindrome (189230032981).

The spelling of 144210020540 in words is "one hundred forty-four billion, two hundred ten million, twenty thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 419 838 1223 1676 2095 2446 4190 4892 6115 8380 12230 14071 24460 28142 56284 70355 140710 281420 512437 1024874 2049748 2562185 5124370 5895749 10248740 11791498 17208833 23582996 29478745 34417666 58957490 68835332 86044165 117914980 172088330 344176660 7210501027 14421002054 28842004108 36052505135 72105010270 144210020540