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444202000405 = 5108898158729
BaseRepresentation
bin1100111011011001000…
…00001010000000010101
31120110120012102122101221
412131230200022000111
524234211203003110
6540021422250341
744043511463602
oct6355440120025
91513505378357
10444202000405
111614264a3549
127210a4269b1
1332b71119c77
14176dc8676a9
15b84c2577da
hex676c80a015

444202000405 has 8 divisors (see below), whose sum is σ = 533091418200. Its totient is φ = 355328921856.

The previous prime is 444202000391. The next prime is 444202000409. The reversal of 444202000405 is 504000202444.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8505635076 + 435696365329 = 92226^2 + 660073^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-444202000405 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 444202000405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444202000409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4024920 + ... + 4133809.

It is an arithmetic number, because the mean of its divisors is an integer number (66636427275).

Almost surely, 2444202000405 is an apocalyptic number.

It is an amenable number.

444202000405 is a deficient number, since it is larger than the sum of its proper divisors (88889417795).

444202000405 is a wasteful number, since it uses less digits than its factorization.

444202000405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8169623.

The product of its (nonzero) digits is 5120, while the sum is 25.

Adding to 444202000405 its reverse (504000202444), we get a palindrome (948202202849).

The spelling of 444202000405 in words is "four hundred forty-four billion, two hundred two million, four hundred five", and thus it is an aban number.

Divisors: 1 5 10889 54445 8158729 40793645 88840400081 444202000405