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13747721743 = 73895048741
BaseRepresentation
bin11001100110110110…
…11001011000001111
31022111002202121212101
430303123121120033
5211123404043433
610152101215531
7664452464260
oct146333313017
938432677771
1013747721743
115915259908
1227b81015a7
1313b127c4c2
14945ba6967
15556dee07d
hex3336d960f

13747721743 has 8 divisors (see below), whose sum is σ = 15752075040. Its totient is φ = 11753466720.

The previous prime is 13747721731. The next prime is 13747721749. The reversal of 13747721743 is 34712774731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13747721743 - 229 = 13210850831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13747721693 and 13747721702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13747721749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2521648 + ... + 2527093.

It is an arithmetic number, because the mean of its divisors is an integer number (1969009380).

Almost surely, 213747721743 is an apocalyptic number.

13747721743 is a deficient number, since it is larger than the sum of its proper divisors (2004353297).

13747721743 is an equidigital number, since it uses as much as digits as its factorization.

13747721743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5049137.

The product of its digits is 691488, while the sum is 46.

The spelling of 13747721743 in words is "thirteen billion, seven hundred forty-seven million, seven hundred twenty-one thousand, seven hundred forty-three".

Divisors: 1 7 389 2723 5048741 35341187 1963960249 13747721743