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143404434444 = 22312299723653
BaseRepresentation
bin1000010110001110010…
…0100000010000001100
3111201011002202001211210
42011203210200100030
54322143013400234
6145513514414420
713234460403105
oct2054344402014
9451132661753
10143404434444
11558aa079127
1223961a31410
13106a4cab34b
146d258313ac
153ae4a52be9
hex216392040c

143404434444 has 24 divisors (see below), whose sum is σ = 334882643760. Its totient is φ = 47762578624.

The previous prime is 143404434443. The next prime is 143404434479. The reversal of 143404434444 is 444434404341.

It is not an unprimeable number, because it can be changed into a prime (143404434443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4847079 + ... + 4876574.

It is an arithmetic number, because the mean of its divisors is an integer number (13953443490).

Almost surely, 2143404434444 is an apocalyptic number.

It is an amenable number.

143404434444 is an abundant number, since it is smaller than the sum of its proper divisors (191478209316).

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

143404434444 is a wasteful number, since it uses less digits than its factorization.

143404434444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9724889 (or 9724887 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 39.

Adding to 143404434444 its reverse (444434404341), we get a palindrome (587838838785).

The spelling of 143404434444 in words is "one hundred forty-three billion, four hundred four million, four hundred thirty-four thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 1229 2458 3687 4916 7374 14748 9723653 19447306 29170959 38894612 58341918 116683836 11950369537 23900739074 35851108611 47801478148 71702217222 143404434444