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444431314042 = 2222215657021
BaseRepresentation
bin1100111011110100010…
…10111010110001111010
31120111011011220222120121
412131322022322301322
524240143404022132
6540100253243454
744052264560512
oct6357212726172
91514134828517
10444431314042
11161533988251
127217319358a
1332ba9798a01
14177210ba842
15b862452497
hex677a2bac7a

444431314042 has 4 divisors (see below), whose sum is σ = 666646971066. Its totient is φ = 222215657020.

The previous prime is 444431314021. The next prime is 444431314043. The reversal of 444431314042 is 240413134444.

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

It can be written as a sum of positive squares in only one way, i.e., 380897574561 + 63533739481 = 617169^2 + 252059^2 .

It is a junction number, because it is equal to n+sod(n) for n = 444431313989 and 444431314007.

It is not an unprimeable number, because it can be changed into a prime (444431314043) 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 as a sum of consecutive naturals, namely, 111107828509 + ... + 111107828512.

Almost surely, 2444431314042 is an apocalyptic number.

444431314042 is a deficient number, since it is larger than the sum of its proper divisors (222215657024).

444431314042 is a wasteful number, since it uses less digits than its factorization.

444431314042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222215657023.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 444431314042 its reverse (240413134444), we get a palindrome (684844448486).

The spelling of 444431314042 in words is "four hundred forty-four billion, four hundred thirty-one million, three hundred fourteen thousand, forty-two".

Divisors: 1 2 222215657021 444431314042