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143404044142 = 271702022071
BaseRepresentation
bin1000010110001110001…
…1000000111101101110
3111201011002000020110011
42011203203000331232
54322142413403032
6145513502203434
713234454156152
oct2054343007556
9451132006404
10143404044142
11558a9931967
122396188357a
13106a4ba27b8
146d2576d062
153ae49c7247
hex21638c0f6e

143404044142 has 4 divisors (see below), whose sum is σ = 215106066216. Its totient is φ = 71702022070.

The previous prime is 143404044137. The next prime is 143404044163. The reversal of 143404044142 is 241440404341.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35851011034 + ... + 35851011037.

It is an arithmetic number, because the mean of its divisors is an integer number (53776516554).

Almost surely, 2143404044142 is an apocalyptic number.

143404044142 is a deficient number, since it is larger than the sum of its proper divisors (71702022074).

143404044142 is an equidigital number, since it uses as much as digits as its factorization.

143404044142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71702022073.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 143404044142 its reverse (241440404341), we get a palindrome (384844448483).

The spelling of 143404044142 in words is "one hundred forty-three billion, four hundred four million, forty-four thousand, one hundred forty-two".

Divisors: 1 2 71702022071 143404044142