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142243500211 = 4323711395187
BaseRepresentation
bin1000010001111001011…
…1111001000010110011
3111121011012020111110121
42010132113321002303
54312303314001321
6145202403511111
713163632542151
oct2043627710263
9447135214417
10142243500211
115536382504a
1223699088497
131054b614407
146c555903d1
153a77b82441
hex211e5f90b3

142243500211 has 8 divisors (see below), whose sum is σ = 145612981184. Its totient is φ = 138876814440.

The previous prime is 142243500173. The next prime is 142243500229. The reversal of 142243500211 is 112005342241.

142243500211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-142243500211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142243500011) 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 in 7 ways as a sum of consecutive naturals, for example, 595641 + ... + 799546.

It is an arithmetic number, because the mean of its divisors is an integer number (18201622648).

Almost surely, 2142243500211 is an apocalyptic number.

142243500211 is a deficient number, since it is larger than the sum of its proper divisors (3369480973).

142243500211 is a wasteful number, since it uses less digits than its factorization.

142243500211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397601.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 142243500211 its reverse (112005342241), we get a palindrome (254248842452).

The spelling of 142243500211 in words is "one hundred forty-two billion, two hundred forty-three million, five hundred thousand, two hundred eleven".

Divisors: 1 43 2371 101953 1395187 59993041 3307988377 142243500211