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27014964479 = 231991958967
BaseRepresentation
bin11001001010001101…
…111010010011111111
32120201201102101102222
4121022031322103333
5420311312330404
620224400235555
71644312260246
oct311215722377
976651371388
1027014964479
1110503274728
12529b30bbbb
132716b1cca9
141443c1995d
15a81a3ddbe
hex64a37a4ff

27014964479 has 8 divisors (see below), whose sum is σ = 28191421440. Its totient is φ = 25838665336.

The previous prime is 27014964463. The next prime is 27014964523. The reversal of 27014964479 is 97446941072.

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

It is not a de Polignac number, because 27014964479 - 24 = 27014964463 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27014964479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27014964439) 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, 428654 + ... + 487620.

It is an arithmetic number, because the mean of its divisors is an integer number (3523927680).

Almost surely, 227014964479 is an apocalyptic number.

27014964479 is a deficient number, since it is larger than the sum of its proper divisors (1176456961).

27014964479 is a wasteful number, since it uses less digits than its factorization.

27014964479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78909.

The product of its (nonzero) digits is 3048192, while the sum is 53.

The spelling of 27014964479 in words is "twenty-seven billion, fourteen million, nine hundred sixty-four thousand, four hundred seventy-nine".

Divisors: 1 23 19919 58967 458137 1356241 1174563673 27014964479