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256213585482 = 2353805703099
BaseRepresentation
bin1110111010011110000…
…1010000111001001010
3220111022222001200222220
43232213201100321022
513144211134213412
6313411454154510
724340132354221
oct3564741207112
9814288050886
10256213585482
1199728986a68
12417a54b2a36
131b21248a7aa
14c587b3bcb8
1569e859168c
hex3ba7850e4a

256213585482 has 16 divisors (see below), whose sum is σ = 522095608800. Its totient is φ = 83793122192.

The previous prime is 256213585457. The next prime is 256213585487. The reversal of 256213585482 is 284585312652.

256213585482 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (256213585487) by changing a digit.

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, 402851232 + ... + 402851867.

It is an arithmetic number, because the mean of its divisors is an integer number (32630975550).

Almost surely, 2256213585482 is an apocalyptic number.

256213585482 is an abundant number, since it is smaller than the sum of its proper divisors (265882023318).

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

256213585482 is a wasteful number, since it uses less digits than its factorization.

256213585482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805703157.

The product of its digits is 4608000, while the sum is 51.

The spelling of 256213585482 in words is "two hundred fifty-six billion, two hundred thirteen million, five hundred eighty-five thousand, four hundred eighty-two".

Divisors: 1 2 3 6 53 106 159 318 805703099 1611406198 2417109297 4834218594 42702264247 85404528494 128106792741 256213585482