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142112111003 = 799317779571
BaseRepresentation
bin1000010001011010001…
…0101011100110011011
3111120211001000020100122
42010112202223212123
54312021200023003
6145141351423455
713160446004222
oct2042642534633
9446731006318
10142112111003
11552a6644425
1223661084b8b
131052a330515
146c41d4bcb9
153a6b37c238
hex21168ab99b

142112111003 has 4 divisors (see below), whose sum is σ = 142129898568. Its totient is φ = 142094323440.

The previous prime is 142112110981. The next prime is 142112111027. The reversal of 142112111003 is 300111211241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142112111003 - 26 = 142112110939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142112101003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8881793 + ... + 8897778.

It is an arithmetic number, because the mean of its divisors is an integer number (35532474642).

Almost surely, 2142112111003 is an apocalyptic number.

142112111003 is a deficient number, since it is larger than the sum of its proper divisors (17787565).

142112111003 is an equidigital number, since it uses as much as digits as its factorization.

142112111003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17787564.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 142112111003 its reverse (300111211241), we get a palindrome (442223322244).

The spelling of 142112111003 in words is "one hundred forty-two billion, one hundred twelve million, one hundred eleven thousand, three".

Divisors: 1 7993 17779571 142112111003