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13539740047 = 82319078627
BaseRepresentation
bin11001001110000100…
…00000100110001111
31021221121102001121121
430213002000212033
5210212133140142
610115311341411
7656345614531
oct144702004617
937847361547
1013539740047
115818915109
12275a521867
13137a15c202
14926307851
15543a19c67
hex32708098f

13539740047 has 8 divisors (see below), whose sum is σ = 13564872576. Its totient is φ = 13514630232.

The previous prime is 13539740041. The next prime is 13539740057. The reversal of 13539740047 is 74004793531.

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 13539740047 - 219 = 13539215759 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13539739985 and 13539740012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13539740041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1565148 + ... + 1573774.

It is an arithmetic number, because the mean of its divisors is an integer number (1695609072).

Almost surely, 213539740047 is an apocalyptic number.

13539740047 is a deficient number, since it is larger than the sum of its proper divisors (25132529).

13539740047 is an equidigital number, since it uses as much as digits as its factorization.

13539740047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11357.

The product of its (nonzero) digits is 317520, while the sum is 43.

The spelling of 13539740047 in words is "thirteen billion, five hundred thirty-nine million, seven hundred forty thousand, forty-seven".

Divisors: 1 823 1907 8627 1569461 7100021 16451689 13539740047