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143332221044 = 22371815350613
BaseRepresentation
bin1000010101111101000…
…1000010000001110100
3111200222001212020200102
42011133101002001310
54322021022033134
6145502414533232
713232622530315
oct2053721020164
9450861766612
10143332221044
1155872336131
1223941807218
131069304621c
146d19dd460c
153add53b37e
hex215f442074

143332221044 has 24 divisors (see below), whose sum is σ = 259033924968. Its totient is φ = 69343931520.

The previous prime is 143332221029. The next prime is 143332221047. The reversal of 143332221044 is 440122233341.

It can be written as a sum of positive squares in 4 ways, for example, as 5533872100 + 137798348944 = 74390^2 + 371212^2 .

It is a junction number, because it is equal to n+sod(n) for n = 143332220998 and 143332221016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143332221047) 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, 2648519 + ... + 2702094.

It is an arithmetic number, because the mean of its divisors is an integer number (10793080207).

Almost surely, 2143332221044 is an apocalyptic number.

It is an amenable number.

143332221044 is a deficient number, since it is larger than the sum of its proper divisors (115701703924).

143332221044 is a wasteful number, since it uses less digits than its factorization.

143332221044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5350835 (or 5350833 counting only the distinct ones).

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

Adding to 143332221044 its reverse (440122233341), we get a palindrome (583454454385).

The spelling of 143332221044 in words is "one hundred forty-three billion, three hundred thirty-two million, two hundred twenty-one thousand, forty-four".

Divisors: 1 2 4 37 74 148 181 362 724 6697 13394 26788 5350613 10701226 21402452 197972681 395945362 791890724 968460953 1936921906 3873843812 35833055261 71666110522 143332221044