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143231232241 = 193742130737
BaseRepresentation
bin1000010101100100111…
…1110010100011110001
3111200201000211111002101
42011121033302203301
54321314143412431
6145444410220401
713230255246316
oct2053117624361
9450630744071
10143231232241
1155820329809
1223913a24701
1310678147636
146d0a826d0d
153ad473d961
hex21593f28f1

143231232241 has 4 divisors (see below), whose sum is σ = 143973363172. Its totient is φ = 142489101312.

The previous prime is 143231232223. The next prime is 143231232283. The reversal of 143231232241 is 142232132341.

143231232241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9820017216 + 133411215025 = 99096^2 + 365255^2 .

It is a cyclic number.

It is not a de Polignac number, because 143231232241 - 29 = 143231231729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143231232211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371065176 + ... + 371065561.

It is an arithmetic number, because the mean of its divisors is an integer number (35993340793).

Almost surely, 2143231232241 is an apocalyptic number.

It is an amenable number.

143231232241 is a deficient number, since it is larger than the sum of its proper divisors (742130931).

143231232241 is an equidigital number, since it uses as much as digits as its factorization.

143231232241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742130930.

The product of its digits is 6912, while the sum is 28.

Adding to 143231232241 its reverse (142232132341), we get a palindrome (285463364582).

The spelling of 143231232241 in words is "one hundred forty-three billion, two hundred thirty-one million, two hundred thirty-two thousand, two hundred forty-one".

Divisors: 1 193 742130737 143231232241