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444222130332 = 22337018510861
BaseRepresentation
bin1100111011011011011…
…00111100100010011100
31120110121121022100110210
412131231230330202130
524234231331132312
6540023421532420
744044144543461
oct6355554744234
91513547270423
10444222130332
111614368a2452
1272115114110
1332b75347576
14177013c7668
15b84ddd1e3c
hex676db3c89c

444222130332 has 12 divisors (see below), whose sum is σ = 1036518304136. Its totient is φ = 148074043440.

The previous prime is 444222130307. The next prime is 444222130361. The reversal of 444222130332 is 233031222444.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 444222130332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18509255419 + ... + 18509255442.

Almost surely, 2444222130332 is an apocalyptic number.

It is an amenable number.

444222130332 is an abundant number, since it is smaller than the sum of its proper divisors (592296173804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

444222130332 is a wasteful number, since it uses less digits than its factorization.

444222130332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37018510868 (or 37018510866 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 444222130332 its reverse (233031222444), we get a palindrome (677253352776).

The spelling of 444222130332 in words is "four hundred forty-four billion, two hundred twenty-two million, one hundred thirty thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 37018510861 74037021722 111055532583 148074043444 222111065166 444222130332