Search a number
-
+
143221012220313 = 32104915170110393
BaseRepresentation
bin100000100100001000111101…
…100011101100100110011001
3200210002210110120222220000200
4200210020331203230212121
5122233013113112022223
61224334454045252413
742111243124312536
oct4044107543544631
9623083416886020
10143221012220313
11416a87656a8255
1214091237264109
1361bb8b6862911
142751d10b99d8d
151185791c17a43
hex82423d8ec999

143221012220313 has 12 divisors (see below), whose sum is σ = 207072006878100. Its totient is φ = 95389654144896.

The previous prime is 143221012220309. The next prime is 143221012220357. The reversal of 143221012220313 is 313022210122341.

143221012220313 is a `hidden beast` number, since 1 + 4 + 3 + 22 + 101 + 2 + 220 + 313 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 138542975303184 + 4678036917129 = 11770428^2 + 2162877^2 .

It is not a de Polignac number, because 143221012220313 - 22 = 143221012220309 is a prime.

It is a super-2 number, since 2×1432210122203132 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (143221012227313) 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, 7585045756 + ... + 7585064637.

It is an arithmetic number, because the mean of its divisors is an integer number (17256000573175).

Almost surely, 2143221012220313 is an apocalyptic number.

It is an amenable number.

143221012220313 is a deficient number, since it is larger than the sum of its proper divisors (63850994657787).

143221012220313 is a wasteful number, since it uses less digits than its factorization.

143221012220313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15170111448 (or 15170111445 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 143221012220313 its reverse (313022210122341), we get a palindrome (456243222342654).

The spelling of 143221012220313 in words is "one hundred forty-three trillion, two hundred twenty-one billion, twelve million, two hundred twenty thousand, three hundred thirteen".

Divisors: 1 3 9 1049 3147 9441 15170110393 45510331179 136530993537 15913445802257 47740337406771 143221012220313