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442231240132241 = 763175891447463
BaseRepresentation
bin110010010001101001111101…
…1111110100000011010010001
32010222210220010111010210220122
41210203103323332200122101
5430431004034433212431
64204314121014520025
7162102103250134040
oct14443237376403221
92128726114123818
10442231240132241
111189aa24112345a
1241723463666015
1315c9b2c49670a1
147b2c16b6b8557
15361d6b1bdca7b
hex19234fbfa0691

442231240132241 has 4 divisors (see below), whose sum is σ = 505407131579712. Its totient is φ = 379055348684772.

The previous prime is 442231240132207. The next prime is 442231240132301. The reversal of 442231240132241 is 142231042132244.

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 a de Polignac number, because none of the positive numbers 2k-442231240132241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (442231240132541) 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, 31587945723725 + ... + 31587945723738.

It is an arithmetic number, because the mean of its divisors is an integer number (126351782894928).

Almost surely, 2442231240132241 is an apocalyptic number.

It is an amenable number.

442231240132241 is a deficient number, since it is larger than the sum of its proper divisors (63175891447471).

442231240132241 is an equidigital number, since it uses as much as digits as its factorization.

442231240132241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63175891447470.

The product of its (nonzero) digits is 73728, while the sum is 35.

Adding to 442231240132241 its reverse (142231042132244), we get a palindrome (584462282264485).

The spelling of 442231240132241 in words is "four hundred forty-two trillion, two hundred thirty-one billion, two hundred forty million, one hundred thirty-two thousand, two hundred forty-one".

Divisors: 1 7 63175891447463 442231240132241