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143221234244 = 221121709173149
BaseRepresentation
bin1000010101100010100…
…1101001101001000100
3111200200100000112102012
42011120221221221010
54321304113443434
6145443412033352
713230104255534
oct2053051515104
9450610015365
10143221234244
1155815720100
1223910602858
131067605696a
146d093834c4
153ad39163ce
hex2158a69a44

143221234244 has 36 divisors (see below), whose sum is σ = 275656531500. Its totient is φ = 65062092480.

The previous prime is 143221234229. The next prime is 143221234249. The reversal of 143221234244 is 442432122341.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 45915918400 + 97305315844 = 214280^2 + 311938^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 143221234244.

It is not an unprimeable number, because it can be changed into a prime (143221234249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 740582 + ... + 913730.

It is an arithmetic number, because the mean of its divisors is an integer number (7657125875).

Almost surely, 2143221234244 is an apocalyptic number.

It is an amenable number.

143221234244 is a deficient number, since it is larger than the sum of its proper divisors (132435297256).

143221234244 is a wasteful number, since it uses less digits than its factorization.

143221234244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174884 (or 174871 counting only the distinct ones).

The product of its digits is 36864, while the sum is 32.

Adding to 143221234244 its reverse (442432122341), we get a palindrome (585653356585).

The spelling of 143221234244 in words is "one hundred forty-three billion, two hundred twenty-one million, two hundred thirty-four thousand, two hundred forty-four".

Divisors: 1 2 4 11 22 44 121 242 484 1709 3418 6836 18799 37598 75196 173149 206789 346298 413578 692596 827156 1904639 3809278 7618556 20951029 41902058 83804116 295911641 591823282 1183646564 3255028051 6510056102 13020112204 35805308561 71610617122 143221234244