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44004102423121 = 297946914769109
BaseRepresentation
bin10100000000101100000001…
…11001001100001001010001
312202210202021120001101210201
422000112000321030021101
521231430400210014441
6233331112223255201
712161122452060121
oct1200260071141121
9182722246041721
1044004102423121
11130260426a6975
124b28358a4a501
131b727522962a9
14ac1b4a5d0c81
155149aae2ec31
hex280580e4c251

44004102423121 has 4 divisors (see below), whose sum is σ = 44004120171700. Its totient is φ = 44004084674544.

The previous prime is 44004102423119. The next prime is 44004102423131. The reversal of 44004102423121 is 12132420140044.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 42785518252096 + 1218584171025 = 6541064^2 + 1103895^2 .

It is a cyclic number.

It is not a de Polignac number, because 44004102423121 - 21 = 44004102423119 is a prime.

It is a super-2 number, since 2×440041024231212 (a number of 28 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 44004102423121.

It is not an unprimeable number, because it can be changed into a prime (44004102423101) 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, 4405086 + ... + 10364023.

It is an arithmetic number, because the mean of its divisors is an integer number (11001030042925).

Almost surely, 244004102423121 is an apocalyptic number.

It is an amenable number.

44004102423121 is a deficient number, since it is larger than the sum of its proper divisors (17748579).

44004102423121 is a wasteful number, since it uses less digits than its factorization.

44004102423121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17748578.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 44004102423121 its reverse (12132420140044), we get a palindrome (56136522563165).

The spelling of 44004102423121 in words is "forty-four trillion, four billion, one hundred two million, four hundred twenty-three thousand, one hundred twenty-one".

Divisors: 1 2979469 14769109 44004102423121