Search a number
-
+
143220142343 = 4631201257561
BaseRepresentation
bin1000010101100010010…
…1011111000100000111
3111200200020222001121102
42011120211133010013
54321303324023333
6145443332410315
713230062060255
oct2053045370407
9450606861542
10143220142343
1155815044803
122391017699b
1310675a63975
146d0917b5d5
153ad379cae8
hex215895f107

143220142343 has 8 divisors (see below), whose sum is σ = 143649539136. Its totient is φ = 142791264000.

The previous prime is 143220142327. The next prime is 143220142391. The reversal of 143220142343 is 343241022341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 143220142343 - 24 = 143220142327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143220142643) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 427283 + ... + 684843.

It is an arithmetic number, because the mean of its divisors is an integer number (17956192392).

Almost surely, 2143220142343 is an apocalyptic number.

143220142343 is a deficient number, since it is larger than the sum of its proper divisors (429396793).

143220142343 is a wasteful number, since it uses less digits than its factorization.

143220142343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259225.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 143220142343 its reverse (343241022341), we get a palindrome (486461164684).

The spelling of 143220142343 in words is "one hundred forty-three billion, two hundred twenty million, one hundred forty-two thousand, three hundred forty-three".

Divisors: 1 463 1201 257561 556063 119250743 309330761 143220142343