Search a number
-
+
142321231041401 = 592412224254939
BaseRepresentation
bin100000010111000010111110…
…011010111001001101111001
3200122220202222021222001220002
4200113002332122321031321
5122123242340121311101
61222405245420042345
741656240531425416
oct4027027632711571
9618822867861802
10142321231041401
1141391105685a35
1213b669843933b5
136154ab0520759
14272055489510d
15116c17da11d6b
hex8170be6b9379

142321231041401 has 4 divisors (see below), whose sum is σ = 144733455296400. Its totient is φ = 139909006786404.

The previous prime is 142321231041397. The next prime is 142321231041413. The reversal of 142321231041401 is 104140132123241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 142321231041401 - 22 = 142321231041397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142321231041001) 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, 1206112127411 + ... + 1206112127528.

It is an arithmetic number, because the mean of its divisors is an integer number (36183363824100).

Almost surely, 2142321231041401 is an apocalyptic number.

It is an amenable number.

142321231041401 is a deficient number, since it is larger than the sum of its proper divisors (2412224254999).

142321231041401 is an equidigital number, since it uses as much as digits as its factorization.

142321231041401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2412224254998.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 142321231041401 its reverse (104140132123241), we get a palindrome (246461363164642).

The spelling of 142321231041401 in words is "one hundred forty-two trillion, three hundred twenty-one billion, two hundred thirty-one million, forty-one thousand, four hundred one".

Divisors: 1 59 2412224254939 142321231041401