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27750280055 = 517326473883
BaseRepresentation
bin11001110110000010…
…111010101101110111
32122121222001021210012
4121312002322231313
5423313032430210
620425344450435
72001451326401
oct316602725567
978558037705
1027750280055
1110850345153
125465619a1b
132803275974
1414b3747b71
15ac638a305
hex6760bab77

27750280055 has 8 divisors (see below), whose sum is σ = 35259179472. Its totient is φ = 20894328448.

The previous prime is 27750280049. The next prime is 27750280067. The reversal of 27750280055 is 55008205772.

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

It is not a de Polignac number, because 27750280055 - 216 = 27750214519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27750279994 and 27750280021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163236857 + ... + 163237026.

It is an arithmetic number, because the mean of its divisors is an integer number (4407397434).

Almost surely, 227750280055 is an apocalyptic number.

27750280055 is a deficient number, since it is larger than the sum of its proper divisors (7508899417).

27750280055 is a wasteful number, since it uses less digits than its factorization.

27750280055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326473905.

The product of its (nonzero) digits is 196000, while the sum is 41.

The spelling of 27750280055 in words is "twenty-seven billion, seven hundred fifty million, two hundred eighty thousand, fifty-five".

Divisors: 1 5 17 85 326473883 1632369415 5550056011 27750280055