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255005665205 = 52321110509197
BaseRepresentation
bin1110110101111110000…
…1011010011110110101
3220101012210010222212212
43231133201122132311
513134222422241310
6313051544223205
724265164250604
oct3553741323665
9811183128785
10255005665205
1199169060645
1241508a6ab05
131b07c152275
14c4b1549a3b
1569774de205
hex3b5f85a7b5

255005665205 has 16 divisors (see below), whose sum is σ = 320824796544. Its totient is φ = 194209942080.

The previous prime is 255005665183. The next prime is 255005665247. The reversal of 255005665205 is 502566500552.

It is not a de Polignac number, because 255005665205 - 26 = 255005665141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5230334 + ... + 5278863.

It is an arithmetic number, because the mean of its divisors is an integer number (20051549784).

Almost surely, 2255005665205 is an apocalyptic number.

It is an amenable number.

255005665205 is a deficient number, since it is larger than the sum of its proper divisors (65819131339).

255005665205 is a wasteful number, since it uses less digits than its factorization.

255005665205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10509436.

The product of its (nonzero) digits is 450000, while the sum is 41.

The spelling of 255005665205 in words is "two hundred fifty-five billion, five million, six hundred sixty-five thousand, two hundred five".

Divisors: 1 5 23 115 211 1055 4853 24265 10509197 52545985 241711531 1208557655 2217440567 11087202835 51001133041 255005665205