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12727482139 = 191083761813
BaseRepresentation
bin10111101101001110…
…11111011100011011
31012212000000002020101
423312213133130123
5202031213412024
65502534040231
7630253545631
oct136647373433
935760002211
1012727482139
115441371789
1225724a9077
13127aaa6b28
1488a4ab351
154e7570c44
hex2f69df71b

12727482139 has 8 divisors (see below), whose sum is σ = 13398802640. Its totient is φ = 12056306976.

The previous prime is 12727482137. The next prime is 12727482199. The reversal of 12727482139 is 93128472721.

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 12727482139 - 21 = 12727482137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12727482133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174997 + ... + 236809.

It is an arithmetic number, because the mean of its divisors is an integer number (1674850330).

Almost surely, 212727482139 is an apocalyptic number.

12727482139 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12727482139 is a deficient number, since it is larger than the sum of its proper divisors (671320501).

12727482139 is a wasteful number, since it uses less digits than its factorization.

12727482139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72669.

The product of its digits is 338688, while the sum is 46.

The spelling of 12727482139 in words is "twelve billion, seven hundred twenty-seven million, four hundred eighty-two thousand, one hundred thirty-nine".

Divisors: 1 19 10837 61813 205903 1174447 669867481 12727482139