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142001142013 = 881161181773
BaseRepresentation
bin1000010000111111101…
…1010111100011111101
3111120112022012102112001
42010033323113203331
54311304243021023
6145122345142301
713154630535403
oct2041773274375
9446468172461
10142001142013
1155249a40815
122362ba8a991
13105103490b3
146c31303473
153a6175c6ad
hex210fed78fd

142001142013 has 4 divisors (see below), whose sum is σ = 142162324668. Its totient is φ = 141839959360.

The previous prime is 142001142007. The next prime is 142001142029. The reversal of 142001142013 is 310241100241.

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

It can be written as a sum of positive squares in 2 ways, for example, as 51927927129 + 90073214884 = 227877^2 + 300122^2 .

It is a cyclic number.

It is not a de Polignac number, because 142001142013 - 25 = 142001141981 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 (142001242013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80590006 + ... + 80591767.

It is an arithmetic number, because the mean of its divisors is an integer number (35540581167).

Almost surely, 2142001142013 is an apocalyptic number.

It is an amenable number.

142001142013 is a deficient number, since it is larger than the sum of its proper divisors (161182655).

142001142013 is an equidigital number, since it uses as much as digits as its factorization.

142001142013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161182654.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 142001142013 its reverse (310241100241), we get a palindrome (452242242254).

The spelling of 142001142013 in words is "one hundred forty-two billion, one million, one hundred forty-two thousand, thirteen".

Divisors: 1 881 161181773 142001142013