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1371351727441 = 1780667748673
BaseRepresentation
bin10011111101001010111…
…011101011110101010001
311212002200212012202120001
4103331022323223311101
5134432012020234231
62525553522450001
7201035242232353
oct23751273536521
94762625182501
101371351727441
11489650332083
121a193ab03901
139c4195bb4c7
144a5339090d3
1525a13042b61
hex13f4aeebd51

1371351727441 has 4 divisors (see below), whose sum is σ = 1452019476132. Its totient is φ = 1290683978752.

The previous prime is 1371351727397. The next prime is 1371351727561. The reversal of 1371351727441 is 1447271531731.

It is a happy number.

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 638247601216 + 733104126225 = 798904^2 + 856215^2 .

It is a cyclic number.

It is not a de Polignac number, because 1371351727441 - 213 = 1371351719249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1371351727391 and 1371351727400.

It is not an unprimeable number, because it can be changed into a prime (1371351728441) 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, 40333874320 + ... + 40333874353.

It is an arithmetic number, because the mean of its divisors is an integer number (363004869033).

Almost surely, 21371351727441 is an apocalyptic number.

It is an amenable number.

1371351727441 is a deficient number, since it is larger than the sum of its proper divisors (80667748691).

1371351727441 is an equidigital number, since it uses as much as digits as its factorization.

1371351727441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80667748690.

The product of its digits is 493920, while the sum is 46.

The spelling of 1371351727441 in words is "one trillion, three hundred seventy-one billion, three hundred fifty-one million, seven hundred twenty-seven thousand, four hundred forty-one".

Divisors: 1 17 80667748673 1371351727441