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44433220143 = 3134326495659
BaseRepresentation
bin101001011000011011…
…010010001000101111
311020200121221110021010
4221120123102020233
51211444401021033
632225022040303
73132045065604
oct513033221057
9136617843233
1044433220143
1117931437a44
128740719093
134261677150
1422172926ab
151250cd3863
hexa586d222f

44433220143 has 16 divisors (see below), whose sum is σ = 65285306240. Its totient is φ = 26707623264.

The previous prime is 44433220129. The next prime is 44433220147. The reversal of 44433220143 is 34102233444.

It is a happy number.

It is not a de Polignac number, because 44433220143 - 29 = 44433219631 is a prime.

It is a super-2 number, since 2×444332201432 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44433220143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44433220147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13246153 + ... + 13249506.

It is an arithmetic number, because the mean of its divisors is an integer number (4080331640).

Almost surely, 244433220143 is an apocalyptic number.

44433220143 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

44433220143 is a deficient number, since it is larger than the sum of its proper divisors (20852086097).

44433220143 is a wasteful number, since it uses less digits than its factorization.

44433220143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26495718.

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

Adding to 44433220143 its reverse (34102233444), we get a palindrome (78535453587).

The spelling of 44433220143 in words is "forty-four billion, four hundred thirty-three million, two hundred twenty thousand, one hundred forty-three".

Divisors: 1 3 13 39 43 129 559 1677 26495659 79486977 344443567 1033330701 1139313337 3417940011 14811073381 44433220143