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143445130000 = 245414344513
BaseRepresentation
bin1000010110010111111…
…1101111101100010000
3111201020221022121122121
42011211333233230100
54322233423130000
6145521530544024
713235463326044
oct2054577575420
9451227277577
10143445130000
1155920044317
1223973598014
13106b0559663
146d2adc6024
153ae83e0b1a
hex2165fefb10

143445130000 has 50 divisors (see below), whose sum is σ = 347295028454. Its totient is φ = 57378048000.

The previous prime is 143445129983. The next prime is 143445130007. The reversal of 143445130000 is 31544341.

It can be written as a sum of positive squares in 5 ways, for example, as 20241321984 + 123203808016 = 142272^2 + 351004^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (143445130007) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7162257 + ... + 7182256.

Almost surely, 2143445130000 is an apocalyptic number.

143445130000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143445130000 is an abundant number, since it is smaller than the sum of its proper divisors (203849898454).

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

143445130000 is an equidigital number, since it uses as much as digits as its factorization.

143445130000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14344541 (or 14344520 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 143445130000 its reverse (31544341), we get a palindrome (143476674341).

The spelling of 143445130000 in words is "one hundred forty-three billion, four hundred forty-five million, one hundred thirty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1250 2000 2500 5000 10000 14344513 28689026 57378052 71722565 114756104 143445130 229512208 286890260 358612825 573780520 717225650 1147561040 1434451300 1793064125 2868902600 3586128250 5737805200 7172256500 8965320625 14344513000 17930641250 28689026000 35861282500 71722565000 143445130000