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442014442013 = 1091405146143
BaseRepresentation
bin1100110111010100001…
…11010010001000011101
31120020220202011011102202
412123222013102020131
524220221144121023
6535020355301245
743635346523414
oct6335207221035
91506822134382
10442014442013
111605036a1551
12717b98aa825
13328b2b53611
141757210847b
15b770197128
hex66ea1d221d

442014442013 has 4 divisors (see below), whose sum is σ = 442419589248. Its totient is φ = 441609294780.

The previous prime is 442014442007. The next prime is 442014442031. The reversal of 442014442013 is 310244410244.

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-442014442013 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 (442014442073) 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 3 ways as a sum of consecutive naturals, for example, 202571981 + ... + 202574162.

It is an arithmetic number, because the mean of its divisors is an integer number (110604897312).

Almost surely, 2442014442013 is an apocalyptic number.

It is an amenable number.

442014442013 is a deficient number, since it is larger than the sum of its proper divisors (405147235).

442014442013 is a wasteful number, since it uses less digits than its factorization.

442014442013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405147234.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 442014442013 its reverse (310244410244), we get a palindrome (752258852257).

The spelling of 442014442013 in words is "four hundred forty-two billion, fourteen million, four hundred forty-two thousand, thirteen".

Divisors: 1 1091 405146143 442014442013