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142131224143 = 23411011997499
BaseRepresentation
bin1000010001011110101…
…1100101111001001111
3111120212100222021122201
42010113223211321033
54312041043133033
6145143313222331
713161100320526
oct2042753457117
9446770867581
10142131224143
1155306409407
12236675619a7
131053129307c
146c446c54bd
153a6cda547d
hex2117ae5e4f

142131224143 has 32 divisors (see below), whose sum is σ = 154224000000. Its totient is φ = 130645152000.

The previous prime is 142131224093. The next prime is 142131224149. The reversal of 142131224143 is 341422131241.

It is a happy number.

It is not a de Polignac number, because 142131224143 - 29 = 142131223631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142131224149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18949608 + ... + 18957106.

It is an arithmetic number, because the mean of its divisors is an integer number (4819500000).

Almost surely, 2142131224143 is an apocalyptic number.

142131224143 is a deficient number, since it is larger than the sum of its proper divisors (12092775857).

142131224143 is a wasteful number, since it uses less digits than its factorization.

142131224143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7863.

The product of its digits is 4608, while the sum is 28.

Adding to 142131224143 its reverse (341422131241), we get a palindrome (483553355384).

The spelling of 142131224143 in words is "one hundred forty-two billion, one hundred thirty-one million, two hundred twenty-four thousand, one hundred forty-three".

Divisors: 1 23 41 101 199 943 2323 4141 4577 7499 8159 20099 95243 172477 187657 307459 462277 757399 824059 1492301 7071557 17420177 18953357 31053359 34322923 61184341 150722401 714227257 1407239843 3466615223 6179618441 142131224143