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142031813611 is a prime number
BaseRepresentation
bin1000010001000111000…
…0010111101111101011
3111120121102220201001011
42010101300113233223
54311340121013421
6145125402404351
713155452332102
oct2042160275753
9446542821034
10142031813611
115526528a846
122363a2006b7
13105167c797c
146c35409039
153a642ba4e1
hex2111c17beb

142031813611 has 2 divisors, whose sum is σ = 142031813612. Its totient is φ = 142031813610.

The previous prime is 142031813603. The next prime is 142031813689. The reversal of 142031813611 is 116318130241.

142031813611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (116318130241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142031813611 - 23 = 142031813603 is a prime.

It is not a weakly prime, because it can be changed into another prime (142031813111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71015906805 + 71015906806.

It is an arithmetic number, because the mean of its divisors is an integer number (71015906806).

Almost surely, 2142031813611 is an apocalyptic number.

142031813611 is a deficient number, since it is larger than the sum of its proper divisors (1).

142031813611 is an equidigital number, since it uses as much as digits as its factorization.

142031813611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 31.

Adding to 142031813611 its reverse (116318130241), we get a palindrome (258349943852).

The spelling of 142031813611 in words is "one hundred forty-two billion, thirty-one million, eight hundred thirteen thousand, six hundred eleven".