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27442311721439 = 127274931785947
BaseRepresentation
bin1100011110101011010010…
…01111011111000111011111
310121011110101212222000011212
412033111221033133013133
512044103323300041224
6134210453550535035
75531433031624436
oct617255117370737
9117143355860155
1027442311721439
1188202456022aa
1230b260680747b
131240a5021a354
146ac301c6411d
15328c8689ed0e
hex18f5693df1df

27442311721439 has 8 divisors (see below), whose sum is σ = 27658528708608. Its totient is φ = 27226096856280.

The previous prime is 27442311721417. The next prime is 27442311721481. The reversal of 27442311721439 is 93412711324472.

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 27442311721439 - 216 = 27442311655903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27442311724439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34523264 + ... + 35309210.

It is an arithmetic number, because the mean of its divisors is an integer number (3457316088576).

Almost surely, 227442311721439 is an apocalyptic number.

27442311721439 is a deficient number, since it is larger than the sum of its proper divisors (216216987169).

27442311721439 is a wasteful number, since it uses less digits than its factorization.

27442311721439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061005.

The product of its digits is 2032128, while the sum is 50.

The spelling of 27442311721439 in words is "twenty-seven trillion, four hundred forty-two billion, three hundred eleven million, seven hundred twenty-one thousand, four hundred thirty-nine".

Divisors: 1 127 274931 785947 34916237 99815269 216081194657 27442311721439