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13827791459 = 312034121929
BaseRepresentation
bin11001110000011001…
…10101101001100011
31022200200102120212102
430320030311221203
5211304403311314
610204041321015
7666444200546
oct147014655143
938620376772
1013827791459
115956478429
12281aa9616b
1313c4a35531
1495268a85d
1555de685de
hex338335a63

13827791459 has 8 divisors (see below), whose sum is σ = 14275201920. Its totient is φ = 13380465600.

The previous prime is 13827791431. The next prime is 13827791477. The reversal of 13827791459 is 95419772831.

13827791459 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13827791459 - 220 = 13826742883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13827794459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 619607 + ... + 641535.

It is an arithmetic number, because the mean of its divisors is an integer number (1784400240).

Almost surely, 213827791459 is an apocalyptic number.

13827791459 is a deficient number, since it is larger than the sum of its proper divisors (447410461).

13827791459 is a wasteful number, since it uses less digits than its factorization.

13827791459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42301.

The product of its digits is 3810240, while the sum is 56.

The spelling of 13827791459 in words is "thirteen billion, eight hundred twenty-seven million, seven hundred ninety-one thousand, four hundred fifty-nine".

Divisors: 1 31 20341 21929 630571 679799 446057789 13827791459