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27679242239 = 114285958711
BaseRepresentation
bin11001110001110011…
…111011011111111111
32122110000101012012222
4121301303323133333
5423141341222424
620414330115555
71666626451145
oct316163733777
978400335188
1027679242239
1110814235410
12544587bbbb
1327c163295c
1414a8135595
15ac0006e5e
hex671cfb7ff

27679242239 has 8 divisors (see below), whose sum is σ = 30196755840. Its totient is φ = 25161931800.

The previous prime is 27679242233. The next prime is 27679242289. The reversal of 27679242239 is 93224297672.

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 27679242239 - 216 = 27679176703 is a prime.

It is a super-2 number, since 2×276792422392 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27679242233) 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, 442094 + ... + 500804.

It is an arithmetic number, because the mean of its divisors is an integer number (3774594480).

Almost surely, 227679242239 is an apocalyptic number.

27679242239 is a deficient number, since it is larger than the sum of its proper divisors (2517513601).

27679242239 is a wasteful number, since it uses less digits than its factorization.

27679242239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101581.

The product of its digits is 4572288, while the sum is 53.

The spelling of 27679242239 in words is "twenty-seven billion, six hundred seventy-nine million, two hundred forty-two thousand, two hundred thirty-nine".

Divisors: 1 11 42859 58711 471449 645821 2516294749 27679242239