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42444432553141 = 263161385675107
BaseRepresentation
bin10011010011010010111010…
…10100110011010010110101
312120021122111111000210120201
421221221131110303102311
521030402144213200031
6230134411513200501
711640336414653053
oct1151513524632265
9176248444023521
1042444432553141
111258464571a053
124916022700131
131a8b65393c818
14a6a4702891d3
154d91252e3d61
hex269a5d5334b5

42444432553141 has 4 divisors (see below), whose sum is σ = 42605818228512. Its totient is φ = 42283046877772.

The previous prime is 42444432553093. The next prime is 42444432553241. The reversal of 42444432553141 is 14135523444424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42444432553141 - 27 = 42444432553013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42444432553091 and 42444432553100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42444432553241) 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, 80692837291 + ... + 80692837816.

It is an arithmetic number, because the mean of its divisors is an integer number (10651454557128).

Almost surely, 242444432553141 is an apocalyptic number.

It is an amenable number.

42444432553141 is a deficient number, since it is larger than the sum of its proper divisors (161385675371).

42444432553141 is a wasteful number, since it uses less digits than its factorization.

42444432553141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161385675370.

The product of its digits is 3686400, while the sum is 46.

Adding to 42444432553141 its reverse (14135523444424), we get a palindrome (56579955997565).

The spelling of 42444432553141 in words is "forty-two trillion, four hundred forty-four billion, four hundred thirty-two million, five hundred fifty-three thousand, one hundred forty-one".

Divisors: 1 263 161385675107 42444432553141