Search a number
-
+
143440113140 = 2251011394871049
BaseRepresentation
bin1000010110010110110…
…0100110110111110100
3111201020120212201210222
42011211230212313310
54322231132110030
6145521231233512
713235402562452
oct2054554466764
9451216781728
10143440113140
1155918228055
1223971978898
13106ac4c0cbc
146d2a47b9d2
153ae7c4e3e5
hex2165b26df4

143440113140 has 96 divisors (see below), whose sum is σ = 307317024000. Its totient is φ = 56229811200.

The previous prime is 143440113109. The next prime is 143440113149. The reversal of 143440113140 is 41311044341.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143440113149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136739336 + ... + 136740384.

It is an arithmetic number, because the mean of its divisors is an integer number (3201219000).

Almost surely, 2143440113140 is an apocalyptic number.

143440113140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143440113140 is an abundant number, since it is smaller than the sum of its proper divisors (163876910860).

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

143440113140 is a wasteful number, since it uses less digits than its factorization.

143440113140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1785 (or 1783 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 143440113140 its reverse (41311044341), we get a palindrome (184751157481).

The spelling of 143440113140 in words is "one hundred forty-three billion, four hundred forty million, one hundred thirteen thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 101 139 202 278 404 487 505 556 695 974 1010 1049 1390 1948 2020 2098 2435 2780 4196 4870 5245 9740 10490 14039 20980 28078 49187 56156 67693 70195 98374 105949 135386 140390 145811 196748 211898 245935 270772 280780 291622 338465 423796 491870 510863 529745 583244 676930 729055 983740 1021726 1059490 1353860 1458110 2043452 2118980 2554315 2916220 5108630 6836993 10217260 13673986 14726911 27347972 29453822 34184965 51597163 58907644 68369930 71009957 73634555 103194326 136739860 142019914 147269110 206388652 257985815 284039828 294538220 355049785 515971630 710099570 1031943260 1420199140 7172005657 14344011314 28688022628 35860028285 71720056570 143440113140