Search a number
-
+
143434242131 = 236236271397
BaseRepresentation
bin1000010110010101011…
…0001101100001010011
3111201020011211110022012
42011211112031201103
54322223131222011
6145520501333135
713235301641015
oct2054526154123
9451204743265
10143434242131
1155914988084
122396ba071ab
13106ab21692b
146d297901b5
153ae748ea8b
hex216558d853

143434242131 has 4 divisors (see below), whose sum is σ = 149670513552. Its totient is φ = 137197970712.

The previous prime is 143434242089. The next prime is 143434242167. The reversal of 143434242131 is 131242434341.

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

It is a cyclic number.

It is not a de Polignac number, because 143434242131 - 234 = 126254372947 is a prime.

It is a super-2 number, since 2×1434342421312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143434242031) 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 3 ways as a sum of consecutive naturals, for example, 3118135676 + ... + 3118135721.

It is an arithmetic number, because the mean of its divisors is an integer number (37417628388).

Almost surely, 2143434242131 is an apocalyptic number.

143434242131 is a deficient number, since it is larger than the sum of its proper divisors (6236271421).

143434242131 is an equidigital number, since it uses as much as digits as its factorization.

143434242131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6236271420.

The product of its digits is 27648, while the sum is 32.

Adding to 143434242131 its reverse (131242434341), we get a palindrome (274676676472).

The spelling of 143434242131 in words is "one hundred forty-three billion, four hundred thirty-four million, two hundred forty-two thousand, one hundred thirty-one".

Divisors: 1 23 6236271397 143434242131