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2141728271413 = 4349492464537
BaseRepresentation
bin11111001010101000111…
…100111110110000110101
321120202011201121000101121
4133022220330332300311
5240042224414141123
64315521341423541
7310510010635363
oct37125074766065
97522151530347
102141728271413
11756335857905
122a70b856abb1
13126c6c1c0b73
1475935842633
153aaa07d975d
hex1f2a8f3ec35

2141728271413 has 4 divisors (see below), whose sum is σ = 2142220740300. Its totient is φ = 2141235802528.

The previous prime is 2141728271363. The next prime is 2141728271447. The reversal of 2141728271413 is 3141728271412.

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 935471971204 + 1206256300209 = 967198^2 + 1098297^2 .

It is a cyclic number.

It is not a de Polignac number, because 2141728271413 - 217 = 2141728140341 is a prime.

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 2141728271413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141728271483) 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, 246227920 + ... + 246236617.

It is an arithmetic number, because the mean of its divisors is an integer number (535555185075).

Almost surely, 22141728271413 is an apocalyptic number.

It is an amenable number.

2141728271413 is a deficient number, since it is larger than the sum of its proper divisors (492468887).

2141728271413 is an equidigital number, since it uses as much as digits as its factorization.

2141728271413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492468886.

The product of its digits is 150528, while the sum is 43.

Subtracting 2141728271413 from its reverse (3141728271412), we obtain a palindrome (999999999999).

The spelling of 2141728271413 in words is "two trillion, one hundred forty-one billion, seven hundred twenty-eight million, two hundred seventy-one thousand, four hundred thirteen".

Divisors: 1 4349 492464537 2141728271413