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44340400105 = 561937155153
BaseRepresentation
bin101001010010111001…
…001100111111101001
311020110011021201002221
4221102321030333221
51211302120300410
632211504354041
73126540116341
oct512271147751
9136404251087
1044340400105
1117893aaa971
128715615921
134248378751
142208c0dd21
151247a9b4da
hexa52e4cfe9

44340400105 has 16 divisors (see below), whose sum is σ = 54138816144. Its totient is φ = 34853345280.

The previous prime is 44340400103. The next prime is 44340400121. The reversal of 44340400105 is 50100404344.

It can be written as a sum of positive squares in 8 ways, for example, as 9930521104 + 34409879001 = 99652^2 + 185499^2 .

It is not a de Polignac number, because 44340400105 - 21 = 44340400103 is a prime.

It is a super-2 number, since 2×443404001052 (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 44340400105.

It is not an unprimeable number, because it can be changed into a prime (44340400103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208209 + ... + 363361.

It is an arithmetic number, because the mean of its divisors is an integer number (3383676009).

Almost surely, 244340400105 is an apocalyptic number.

It is an amenable number.

44340400105 is a deficient number, since it is larger than the sum of its proper divisors (9798416039).

44340400105 is a wasteful number, since it uses less digits than its factorization.

44340400105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156156.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 44340400105 its reverse (50100404344), we get a palindrome (94440804449).

The spelling of 44340400105 in words is "forty-four billion, three hundred forty million, four hundred thousand, one hundred five".

Divisors: 1 5 61 305 937 4685 57157 155153 285785 775765 9464333 47321665 145378361 726891805 8868080021 44340400105