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27879014141 = 117135696561
BaseRepresentation
bin11001111101101101…
…111111111011111101
32122221221021122202022
4121331231333323331
5424044011423031
620450224005525
72004603465416
oct317555777375
978857248668
1027879014141
1110906a81a60
1254a07608a5
132823b3a194
1414c689880d
15ad281897b
hex67db7fefd

27879014141 has 8 divisors (see below), whose sum is σ = 30841829568. Its totient is φ = 24987592000.

The previous prime is 27879014131. The next prime is 27879014269. The reversal of 27879014141 is 14141097872.

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 27879014141 - 218 = 27878751997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27879014092 and 27879014101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27879014131) 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, 17847500 + ... + 17849061.

It is an arithmetic number, because the mean of its divisors is an integer number (3855228696).

Almost surely, 227879014141 is an apocalyptic number.

It is an amenable number.

27879014141 is a deficient number, since it is larger than the sum of its proper divisors (2962815427).

27879014141 is a wasteful number, since it uses less digits than its factorization.

27879014141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35696643.

The product of its (nonzero) digits is 112896, while the sum is 44.

The spelling of 27879014141 in words is "twenty-seven billion, eight hundred seventy-nine million, fourteen thousand, one hundred forty-one".

Divisors: 1 11 71 781 35696561 392662171 2534455831 27879014141