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13142304445541 = 15783708945513
BaseRepresentation
bin1011111100111110111001…
…1000110101010001100101
31201112101120210102101000112
42333033232120311101211
53210310414414224131
643541254042422405
72524333361415665
oct277175630652145
951471523371015
1013142304445541
114207690270987
121583097201a05
13744410abab4b
1433613b71c1a5
1517bcdc85702b
hexbf3ee635465

13142304445541 has 4 divisors (see below), whose sum is σ = 13226013391212. Its totient is φ = 13058595499872.

The previous prime is 13142304445427. The next prime is 13142304445549. The reversal of 13142304445541 is 14554440324131.

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 2959504343041 + 10182800102500 = 1720321^2 + 3191050^2 .

It is a cyclic number.

It is not a de Polignac number, because 13142304445541 - 238 = 12867426538597 is a prime.

It is a super-3 number, since 3×131423044455413 (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13142304445549) 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, 41854472600 + ... + 41854472913.

It is an arithmetic number, because the mean of its divisors is an integer number (3306503347803).

Almost surely, 213142304445541 is an apocalyptic number.

It is an amenable number.

13142304445541 is a deficient number, since it is larger than the sum of its proper divisors (83708945671).

13142304445541 is an equidigital number, since it uses as much as digits as its factorization.

13142304445541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83708945670.

The product of its (nonzero) digits is 460800, while the sum is 41.

Adding to 13142304445541 its reverse (14554440324131), we get a palindrome (27696744769672).

The spelling of 13142304445541 in words is "thirteen trillion, one hundred forty-two billion, three hundred four million, four hundred forty-five thousand, five hundred forty-one".

Divisors: 1 157 83708945513 13142304445541