Search a number
-
+
144310202440 = 2353865393337
BaseRepresentation
bin1000011001100110001…
…1101111000001001000
3111210111020002211221121
42012121203233001020
54331021402434230
6150143432245024
713266066324115
oct2063143570110
9453436084847
10144310202440
1156224390018
1223b75240774
13107ba844241
146dadc4d90c
153b4931d77a
hex21998ef048

144310202440 has 32 divisors (see below), whose sum is σ = 324709834680. Its totient is φ = 57721969152.

The previous prime is 144310202431. The next prime is 144310202453. The reversal of 144310202440 is 44202013441.

It can be written as a sum of positive squares in 4 ways, for example, as 75991743556 + 68318458884 = 275666^2 + 261378^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1499452 + ... + 1592788.

Almost surely, 2144310202440 is an apocalyptic number.

144310202440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144310202440 is an abundant number, since it is smaller than the sum of its proper divisors (180399632240).

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

144310202440 is a wasteful number, since it uses less digits than its factorization.

144310202440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132001 (or 131997 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 144310202440 its reverse (44202013441), we get a palindrome (188512215881).

The spelling of 144310202440 in words is "one hundred forty-four billion, three hundred ten million, two hundred two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 38653 77306 93337 154612 186674 193265 309224 373348 386530 466685 746696 773060 933370 1546120 1866740 3733480 3607755061 7215510122 14431020244 18038775305 28862040488 36077550610 72155101220 144310202440