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444444214120 = 23511111105353
BaseRepresentation
bin1100111011110101111…
…00001000001101101000
31120111012002012101011021
412131322330020031220
524240210204322440
6540101433542224
744052512326204
oct6357274101550
91514162171137
10444444214120
11161540199275
1272177574974
1332bac3645aa
1417722ab7b04
15b86364e84a
hex677af08368

444444214120 has 16 divisors (see below), whose sum is σ = 999999481860. Its totient is φ = 177777685632.

The previous prime is 444444214091. The next prime is 444444214127. The reversal of 444444214120 is 21412444444.

It can be written as a sum of positive squares in 2 ways, for example, as 413991870084 + 30452344036 = 643422^2 + 174506^2 .

It is not an unprimeable number, because it can be changed into a prime (444444214127) 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, 5555552637 + ... + 5555552716.

Almost surely, 2444444214120 is an apocalyptic number.

444444214120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

444444214120 is an abundant number, since it is smaller than the sum of its proper divisors (555555267740).

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

444444214120 is a wasteful number, since it uses less digits than its factorization.

444444214120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11111105364 (or 11111105360 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 34.

Adding to 444444214120 its reverse (21412444444), we get a palindrome (465856658564).

The spelling of 444444214120 in words is "four hundred forty-four billion, four hundred forty-four million, two hundred fourteen thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 11111105353 22222210706 44444421412 55555526765 88888842824 111111053530 222222107060 444444214120