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255424320520 = 23523277635131
BaseRepresentation
bin1110110111100001111…
…0011101010000001000
3220102021221220220000021
43231320132131100020
513141102111224040
6313201301350224
724311436621205
oct3557036352010
9812257826007
10255424320520
1199363408576
1241605108374
131b117ac5bc5
14c510da8cac
15699e13a24a
hex3b7879d408

255424320520 has 32 divisors (see below), whose sum is σ = 599691885120. Its totient is φ = 97727565760.

The previous prime is 255424320499. The next prime is 255424320577. The reversal of 255424320520 is 25023424552.

255424320520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138816646 + ... + 138818485.

It is an arithmetic number, because the mean of its divisors is an integer number (18740371410).

Almost surely, 2255424320520 is an apocalyptic number.

255424320520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255424320520 is an abundant number, since it is smaller than the sum of its proper divisors (344267564600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255424320520 is a wasteful number, since it uses less digits than its factorization.

255424320520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277635165 (or 277635161 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 34.

The spelling of 255424320520 in words is "two hundred fifty-five billion, four hundred twenty-four million, three hundred twenty thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 115 184 230 460 920 277635131 555270262 1110540524 1388175655 2221081048 2776351310 5552702620 6385608013 11105405240 12771216026 25542432052 31928040065 51084864104 63856080130 127712160260 255424320520